120201000020100 has 108 divisors (see below), whose sum is σ = 376797115159920. Its totient is φ = 32050727966400.

The previous prime is 120201000020089. The next prime is 120201000020131. The reversal of 120201000020100 is 1020000102021.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 4076071 + ... + 16031729.

Almost surely, 2^{120201000020100} is an apocalyptic number.

120201000020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120201000020100 is an abundant number, since it is smaller than the sum of its proper divisors (256596115139820).

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

120201000020100 is a wasteful number, since it uses less digits than its factorization.

120201000020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11966850 (or 11966840 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120201000020100 its reverse (1020000102021), we get a palindrome (121221000122121).

The spelling of 120201000020100 in words is "one hundred twenty trillion, two hundred one billion, twenty thousand, one hundred".