2110122112121 has 16 divisors (see below), whose sum is σ = 2170269345024. Its totient is φ = 2050732280064.

The previous prime is 2110122112067. The next prime is 2110122112141. The reversal of 2110122112121 is 1212112210112.

It is a de Polignac number, because none of the positive numbers 2^k-2110122112121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2110122112121.

It is not an unprimeable number, because it can be changed into a prime (2110122112141) 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, 75393296 + ... + 75421278.

It is an arithmetic number, because the mean of its divisors is an integer number (135641834064).

Almost surely, 2^{2110122112121} is an apocalyptic number.

It is an amenable number.

2110122112121 is a deficient number, since it is larger than the sum of its proper divisors (60147232903).

2110122112121 is a wasteful number, since it uses less digits than its factorization.

2110122112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41440.

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

Adding to 2110122112121 its reverse (1212112210112), we get a palindrome (3322234322233).

The spelling of 2110122112121 in words is "two trillion, one hundred ten billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-one".