120113302120021 has 32 divisors (see below), whose sum is σ = 146131823416320. Its totient is φ = 96437919600000.

The previous prime is 120113302120003. The next prime is 120113302120033. The reversal of 120113302120021 is 120021203311021.

It is a cyclic number.

It is not a de Polignac number, because 120113302120021 - 2¹⁹ = 120113301595733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120113302120921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8558055 + ... + 17704996.

It is an arithmetic number, because the mean of its divisors is an integer number (4566619481760).

Almost surely, 2^{120113302120021} is an apocalyptic number.

It is an amenable number.

120113302120021 is a deficient number, since it is larger than the sum of its proper divisors (26018521296299).

120113302120021 is a wasteful number, since it uses less digits than its factorization.

120113302120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26263465.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120113302120021 its reverse (120021203311021), we get a palindrome (240134505431042).

The spelling of 120113302120021 in words is "one hundred twenty trillion, one hundred thirteen billion, three hundred two million, one hundred twenty thousand, twenty-one".