2210110112121 has 16 divisors (see below), whose sum is σ = 3060462240000. Its totient is φ = 1417477235328.

The previous prime is 2210110112117. The next prime is 2210110112123. The reversal of 2210110112121 is 1212110110122.

It is a happy number.

It is not a de Polignac number, because 2210110112121 - 2² = 2210110112117 is a prime.

It is a super-2 number, since 2×2210110112121² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2210110112121.

It is not an unprimeable number, because it can be changed into a prime (2210110112123) 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, 111849121 + ... + 111868878.

It is an arithmetic number, because the mean of its divisors is an integer number (191278890000).

Almost surely, 2^{2210110112121} is an apocalyptic number.

It is an amenable number.

2210110112121 is a deficient number, since it is larger than the sum of its proper divisors (850352127879).

2210110112121 is a wasteful number, since it uses less digits than its factorization.

2210110112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223718128.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2210110112121 its reverse (1212110110122), we get a palindrome (3422220222243).

The spelling of 2210110112121 in words is "two trillion, two hundred ten billion, one hundred ten million, one hundred twelve thousand, one hundred twenty-one".