120211021020100 has 72 divisors (see below), whose sum is σ = 266412277772928. Its totient is φ = 47060595062400.

The previous prime is 120211021020031. The next prime is 120211021020131. The reversal of 120211021020100 is 1020120112021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371340310 + ... + 371663890.

It is an arithmetic number, because the mean of its divisors is an integer number (3700170524624).

Almost surely, 2^{120211021020100} is an apocalyptic number.

120211021020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211021020100 is an abundant number, since it is smaller than the sum of its proper divisors (146201256752828).

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

120211021020100 is a wasteful number, since it uses less digits than its factorization.

120211021020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402685 (or 402678 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120211021020100 its reverse (1020120112021), we get a palindrome (121231141132121).

The spelling of 120211021020100 in words is "one hundred twenty trillion, two hundred eleven billion, twenty-one million, twenty thousand, one hundred".