2210120021121 has 32 divisors (see below), whose sum is σ = 3068328384000. Its totient is φ = 1414218693888.

The previous prime is 2210120021033. The next prime is 2210120021189. The reversal of 2210120021121 is 1211200210122.

It is not a de Polignac number, because 2210120021121 - 2¹⁵ = 2210119988353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2210120021121.

It is not an unprimeable number, because it can be changed into a prime (2210120023121) 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, 562035 + ... + 2176263.

It is an arithmetic number, because the mean of its divisors is an integer number (95885262000).

Almost surely, 2^{2210120021121} is an apocalyptic number.

It is an amenable number.

2210120021121 is a deficient number, since it is larger than the sum of its proper divisors (858208362879).

2210120021121 is a wasteful number, since it uses less digits than its factorization.

2210120021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614473.

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

Adding to 2210120021121 its reverse (1211200210122), we get a palindrome (3421320231243).

The spelling of 2210120021121 in words is "two trillion, two hundred ten billion, one hundred twenty million, twenty-one thousand, one hundred twenty-one".