120000102021100 has 108 divisors (see below), whose sum is σ = 306564117093864. Its totient is φ = 40647194488320.

The previous prime is 120000102021089. The next prime is 120000102021113. The reversal of 120000102021100 is 1120201000021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 147122317 + ... + 147935716.

It is an arithmetic number, because the mean of its divisors is an integer number (2838556639758).

Almost surely, 2^{120000102021100} is an apocalyptic number.

120000102021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120000102021100 is an abundant number, since it is smaller than the sum of its proper divisors (186564015072764).

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

120000102021100 is a wasteful number, since it uses less digits than its factorization.

120000102021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295058144 (or 295058130 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120000102021100 its reverse (1120201000021), we get a palindrome (121120303021121).

The spelling of 120000102021100 in words is "one hundred twenty trillion, one hundred two million, twenty-one thousand, one hundred".