120010211100021 has 32 divisors (see below), whose sum is σ = 175950583603200. Its totient is φ = 72155890719680.

The previous prime is 120010211099983. The next prime is 120010211100047. The reversal of 120010211100021 is 120001112010021.

It is a cyclic number.

It is not a de Polignac number, because 120010211100021 - 2⁴² = 115612164588917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120010211800021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18586341 + ... + 24196538.

It is an arithmetic number, because the mean of its divisors is an integer number (5498455737600).

Almost surely, 2^{120010211100021} is an apocalyptic number.

120010211100021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120010211100021 is a deficient number, since it is larger than the sum of its proper divisors (55940372503179).

120010211100021 is a wasteful number, since it uses less digits than its factorization.

120010211100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42783569.

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

Adding to 120010211100021 its reverse (120001112010021), we get a palindrome (240011323110042).

The spelling of 120010211100021 in words is "one hundred twenty trillion, ten billion, two hundred eleven million, one hundred thousand, twenty-one".