2220110112121 has 16 divisors (see below), whose sum is σ = 2433050500608. Its totient is φ = 2009023632000.

The previous prime is 2220110112083. The next prime is 2220110112149. The reversal of 2220110112121 is 1212110110222.

It is not a de Polignac number, because 2220110112121 - 2⁷ = 2220110111993 is a prime.

It is a super-2 number, since 2×2220110112121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220110112095 and 2220110112104.

It is not an unprimeable number, because it can be changed into a prime (2220110112821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26836221 + ... + 26918821.

It is an arithmetic number, because the mean of its divisors is an integer number (152065656288).

Almost surely, 2^{2220110112121} is an apocalyptic number.

It is an amenable number.

2220110112121 is a deficient number, since it is larger than the sum of its proper divisors (212940388487).

2220110112121 is a wasteful number, since it uses less digits than its factorization.

2220110112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93792.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2220110112121 its reverse (1212110110222), we get a palindrome (3432220222343).

The spelling of 2220110112121 in words is "two trillion, two hundred twenty billion, one hundred ten million, one hundred twelve thousand, one hundred twenty-one".