120202120011021 has 16 divisors (see below), whose sum is σ = 165654612963840. Its totient is φ = 77448909864960.

The previous prime is 120202120011007. The next prime is 120202120011143. The reversal of 120202120011021 is 120110021202021.

It is not a de Polignac number, because 120202120011021 - 2¹⁸ = 120202119748877 is a prime.

It is a super-2 number, since 2×120202120011021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202120011821) 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, 840302940 + ... + 840445973.

It is an arithmetic number, because the mean of its divisors is an integer number (10353413310240).

Almost surely, 2^{120202120011021} is an apocalyptic number.

It is an amenable number.

120202120011021 is a deficient number, since it is larger than the sum of its proper divisors (45452492952819).

120202120011021 is a wasteful number, since it uses less digits than its factorization.

120202120011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680749716.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120202120011021 its reverse (120110021202021), we get a palindrome (240312141213042).

The spelling of 120202120011021 in words is "one hundred twenty trillion, two hundred two billion, one hundred twenty million, eleven thousand, twenty-one".