2123222222110 has 32 divisors (see below), whose sum is σ = 4414485565152. Its totient is φ = 726664289280.

The previous prime is 2123222222101. The next prime is 2123222222117. The reversal of 2123222222110 is 112222223212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123222222117) 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, 567704607 + ... + 567708346.

It is an arithmetic number, because the mean of its divisors is an integer number (137952673911).

Almost surely, 2^{2123222222110} is an apocalyptic number.

2123222222110 is an abundant number, since it is smaller than the sum of its proper divisors (2291263343042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123222222110 is a wasteful number, since it uses less digits than its factorization.

2123222222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135412988.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2123222222110 its reverse (112222223212), we get a palindrome (2235444445322).

The spelling of 2123222222110 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred ten".