100001210111120 has 40 divisors (see below), whose sum is σ = 232516630602240. Its totient is φ = 39998106910080.

The previous prime is 100001210111087. The next prime is 100001210111141. The reversal of 100001210111120 is 21111012100001.

It is a tau number, because it is divible by the number of its divisors (40).

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, 35787830 + ... + 38480789.

It is an arithmetic number, because the mean of its divisors is an integer number (5812915765056).

Almost surely, 2^{100001210111120} is an apocalyptic number.

100001210111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001210111120 is an abundant number, since it is smaller than the sum of its proper divisors (132515420491120).

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

100001210111120 is a wasteful number, since it uses less digits than its factorization.

100001210111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74285463 (or 74285457 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100001210111120 its reverse (21111012100001), we get a palindrome (121112222211121).

The spelling of 100001210111120 in words is "one hundred trillion, one billion, two hundred ten million, one hundred eleven thousand, one hundred twenty".