100120111021112 has 64 divisors (see below), whose sum is σ = 231061426303680. Its totient is φ = 39605381793792.

The previous prime is 100120111021109. The next prime is 100120111021121. The reversal of 100120111021112 is 211120111021001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6759248 + ... + 15682080.

It is an arithmetic number, because the mean of its divisors is an integer number (3610334785995).

Almost surely, 2^{100120111021112} is an apocalyptic number.

It is an amenable number.

100120111021112 is an abundant number, since it is smaller than the sum of its proper divisors (130941315282568).

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

100120111021112 is a wasteful number, since it uses less digits than its factorization.

100120111021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8938272 (or 8938268 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100120111021112 its reverse (211120111021001), we get a palindrome (311240222042113).

The spelling of 100120111021112 in words is "one hundred trillion, one hundred twenty billion, one hundred eleven million, twenty-one thousand, one hundred twelve".