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1022111113020 = 223553321418589
BaseRepresentation
bin11101101111110101001…
…00011101111100111100
310121201020200101100100220
432313322210131330330
5113221240421104040
62101315032221340
7133562603053254
oct16677244357474
93551220340326
101022111113020
11364525093418
12146112b3a850
137550015267a
1437682c6c964
151b8c29e22d0
hexedfa91df3c

1022111113020 has 48 divisors (see below), whose sum is σ = 2915909448480. Its totient is φ = 267420265216.

The previous prime is 1022111113019. The next prime is 1022111113021. The reversal of 1022111113020 is 203111112201.

It is an interprime number because it is at equal distance from previous prime (1022111113019) and next prime (1022111113021).

It is a super-2 number, since 2×10221111130202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022111113021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160706115 + ... + 160712474.

It is an arithmetic number, because the mean of its divisors is an integer number (60748113510).

Almost surely, 21022111113020 is an apocalyptic number.

1022111113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022111113020 is an abundant number, since it is smaller than the sum of its proper divisors (1893798335460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022111113020 is a wasteful number, since it uses less digits than its factorization.

1022111113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321418654 (or 321418652 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1022111113020 its reverse (203111112201), we get a palindrome (1225222225221).

The spelling of 1022111113020 in words is "one trillion, twenty-two billion, one hundred eleven million, one hundred thirteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 265 318 530 636 795 1060 1590 3180 321418589 642837178 964255767 1285674356 1607092945 1928511534 3214185890 3857023068 4821278835 6428371780 9642557670 17035185217 19285115340 34070370434 51105555651 68140740868 85175926085 102211111302 170351852170 204422222604 255527778255 340703704340 511055556510 1022111113020