100120001020112 has 40 divisors (see below), whose sum is σ = 194094324492576. Its totient is φ = 50031145305216.

The previous prime is 100120001020111. The next prime is 100120001020181. The reversal of 100120001020112 is 211020100021001.

It is a junction number, because it is equal to n+sod(n) for n = 100120001020093 and 100120001020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120001020111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955045043 + ... + 955149869.

Almost surely, 2^{100120001020112} is an apocalyptic number.

It is an amenable number.

100120001020112 is a deficient number, since it is larger than the sum of its proper divisors (93974323472464).

100120001020112 is a wasteful number, since it uses less digits than its factorization.

100120001020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138675 (or 138669 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100120001020112 its reverse (211020100021001), we get a palindrome (311140101041113).

The spelling of 100120001020112 in words is "one hundred trillion, one hundred twenty billion, one million, twenty thousand, one hundred twelve".