120021011200101 has 16 divisors (see below), whose sum is σ = 182166277870080. Its totient is φ = 69577397796720.

The previous prime is 120021011200093. The next prime is 120021011200159. The reversal of 120021011200101 is 101002110120021.

It is not a de Polignac number, because 120021011200101 - 2³ = 120021011200093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021011202101) 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, 79065224011 + ... + 79065225528.

It is an arithmetic number, because the mean of its divisors is an integer number (11385392366880).

Almost surely, 2^{120021011200101} is an apocalyptic number.

120021011200101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120021011200101 is a deficient number, since it is larger than the sum of its proper divisors (62145266669979).

120021011200101 is a wasteful number, since it uses less digits than its factorization.

120021011200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158130449576.

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

Adding to 120021011200101 its reverse (101002110120021), we get a palindrome (221023121320122).

The spelling of 120021011200101 in words is "one hundred twenty trillion, twenty-one billion, eleven million, two hundred thousand, one hundred one".