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1010210111220 = 223516836835187
BaseRepresentation
bin11101011001101010011…
…01101111111011110100
310120120112021112211000110
432230311031233323310
5113022402242024340
62052030100343020
7132661643160102
oct16546515577364
93516467484013
101010210111220
1135a4782a9642
121439513a4a70
137435467067b
1436c74460c72
151b427cc9680
hexeb3536fef4

1010210111220 has 24 divisors (see below), whose sum is σ = 2828588311584. Its totient is φ = 269389362976.

The previous prime is 1010210111201. The next prime is 1010210111231. The reversal of 1010210111220 is 221110120101.

It is a super-2 number, since 2×10102101112202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1010210111196 and 1010210111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8418417534 + ... + 8418417653.

It is an arithmetic number, because the mean of its divisors is an integer number (117857846316).

Almost surely, 21010210111220 is an apocalyptic number.

1010210111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010210111220 is an abundant number, since it is smaller than the sum of its proper divisors (1818378200364).

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

1010210111220 is a wasteful number, since it uses less digits than its factorization.

1010210111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16836835199 (or 16836835197 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1010210111220 its reverse (221110120101), we get a palindrome (1231320231321).

The spelling of 1010210111220 in words is "one trillion, ten billion, two hundred ten million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 16836835187 33673670374 50510505561 67347340748 84184175935 101021011122 168368351870 202042022244 252552527805 336736703740 505105055610 1010210111220