120100202110021 has 16 divisors (see below), whose sum is σ = 146555901702144. Its totient is φ = 96177310480944.

The previous prime is 120100202109991. The next prime is 120100202110039. The reversal of 120100202110021 is 120011202001021.

It is not a de Polignac number, because 120100202110021 - 2⁵ = 120100202109989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120100202109983 and 120100202110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100202110921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8673992941 + ... + 8674006786.

It is an arithmetic number, because the mean of its divisors is an integer number (9159743856384).

Almost surely, 2^{120100202110021} is an apocalyptic number.

It is an amenable number.

120100202110021 is a deficient number, since it is larger than the sum of its proper divisors (26455699592123).

120100202110021 is a wasteful number, since it uses less digits than its factorization.

120100202110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17347999800.

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

Adding to 120100202110021 its reverse (120011202001021), we get a palindrome (240111404111042).

The spelling of 120100202110021 in words is "one hundred twenty trillion, one hundred billion, two hundred two million, one hundred ten thousand, twenty-one".