2110012022221 has 16 divisors (see below), whose sum is σ = 2213434483200. Its totient is φ = 2008653026688.

The previous prime is 2110012022207. The next prime is 2110012022227. The reversal of 2110012022221 is 1222202100112.

It is a happy number.

It is not a de Polignac number, because 2110012022221 - 2⁵ = 2110012022189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110012022195 and 2110012022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110012022227) 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, 6026200 + ... + 6366718.

It is an arithmetic number, because the mean of its divisors is an integer number (138339655200).

Almost surely, 2^{2110012022221} is an apocalyptic number.

It is an amenable number.

2110012022221 is a deficient number, since it is larger than the sum of its proper divisors (103422460979).

2110012022221 is a wasteful number, since it uses less digits than its factorization.

2110012022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343548.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2110012022221 its reverse (1222202100112), we get a palindrome (3332214122333).

The spelling of 2110012022221 in words is "two trillion, one hundred ten billion, twelve million, twenty-two thousand, two hundred twenty-one".