120210122111021 has 8 divisors (see below), whose sum is σ = 126591772322400. Its totient is φ = 113833952067600.

The previous prime is 120210122111017. The next prime is 120210122111203. The reversal of 120210122111021 is 120111221012021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120210122111021 - 2² = 120210122111017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120210122111011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369996955 + ... + 1370084696.

It is an arithmetic number, because the mean of its divisors is an integer number (15823971540300).

Almost surely, 2^{120210122111021} is an apocalyptic number.

It is an amenable number.

120210122111021 is a deficient number, since it is larger than the sum of its proper divisors (6381650211379).

120210122111021 is a wasteful number, since it uses less digits than its factorization.

120210122111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740083979.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120210122111021 its reverse (120111221012021), we get a palindrome (240321343123042).

The spelling of 120210122111021 in words is "one hundred twenty trillion, two hundred ten billion, one hundred twenty-two million, one hundred eleven thousand, twenty-one".