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1110112401220 = 22555505620061
BaseRepresentation
bin10000001001110111110…
…110101111011101000100
310221010101122022222100021
4100021313312233131010
5121142002233314340
62205551213224524
7143126422501564
oct20116766573504
93833348288307
101110112401220
11398883567779
1215b192492144
13808b5b5ba34
143ba30528da4
151dd23662e4a
hex10277daf744

1110112401220 has 12 divisors (see below), whose sum is σ = 2331236042604. Its totient is φ = 444044960480.

The previous prime is 1110112401199. The next prime is 1110112401221. The reversal of 1110112401220 is 221042110111.

It can be written as a sum of positive squares in 2 ways, for example, as 848948475456 + 261163925764 = 921384^2 + 511042^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1110112401194 and 1110112401203.

It is not an unprimeable number, because it can be changed into a prime (1110112401221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27752810011 + ... + 27752810050.

It is an arithmetic number, because the mean of its divisors is an integer number (194269670217).

Almost surely, 21110112401220 is an apocalyptic number.

1110112401220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110112401220 is an abundant number, since it is smaller than the sum of its proper divisors (1221123641384).

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

1110112401220 is a wasteful number, since it uses less digits than its factorization.

1110112401220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55505620070 (or 55505620068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1110112401220 its reverse (221042110111), we get a palindrome (1331154511331).

The spelling of 1110112401220 in words is "one trillion, one hundred ten billion, one hundred twelve million, four hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 55505620061 111011240122 222022480244 277528100305 555056200610 1110112401220