10120021112100 has 36 divisors (see below), whose sum is σ = 29280594418544. Its totient is φ = 2698672296480.

The previous prime is 10120021112081. The next prime is 10120021112111. The reversal of 10120021112100 is 121112002101.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16866701554 + ... + 16866702153.

Almost surely, 2^{10120021112100} is an apocalyptic number.

10120021112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120021112100 is an abundant number, since it is smaller than the sum of its proper divisors (19160573306444).

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

10120021112100 is a wasteful number, since it uses less digits than its factorization.

10120021112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33733403724 (or 33733403717 counting only the distinct ones).

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

Adding to 10120021112100 its reverse (121112002101), we get a palindrome (10241133114201).

The spelling of 10120021112100 in words is "ten trillion, one hundred twenty billion, twenty-one million, one hundred twelve thousand, one hundred".