2210121032021 has 16 divisors (see below), whose sum is σ = 2531928432000. Its totient is φ = 1889835433920.

The previous prime is 2210121032017. The next prime is 2210121032029. The reversal of 2210121032021 is 1202301210122.

It is not a de Polignac number, because 2210121032021 - 2² = 2210121032017 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 (2210121032029) 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, 9331355 + ... + 9565271.

It is an arithmetic number, because the mean of its divisors is an integer number (158245527000).

Almost surely, 2^{2210121032021} is an apocalyptic number.

It is an amenable number.

2210121032021 is a deficient number, since it is larger than the sum of its proper divisors (321807399979).

2210121032021 is a wasteful number, since it uses less digits than its factorization.

2210121032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237164.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2210121032021 its reverse (1202301210122), we get a palindrome (3412422242143).

The spelling of 2210121032021 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, thirty-two thousand, twenty-one".