123222121012211 has 16 divisors (see below), whose sum is σ = 134557323132960. Its totient is φ = 112157404919040.

The previous prime is 123222121012181. The next prime is 123222121012247. The reversal of 123222121012211 is 112210121222321.

It is a de Polignac number, because none of the positive numbers 2^k-123222121012211 is a prime.

It is a super-2 number, since 2×123222121012211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123222121012271) 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, 109035056 + ... + 110159373.

It is an arithmetic number, because the mean of its divisors is an integer number (8409832695810).

Almost surely, 2^{123222121012211} is an apocalyptic number.

123222121012211 is a deficient number, since it is larger than the sum of its proper divisors (11335202120749).

123222121012211 is a wasteful number, since it uses less digits than its factorization.

123222121012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219195046.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 123222121012211 its reverse (112210121222321), we get a palindrome (235432242234532).

The spelling of 123222121012211 in words is "one hundred twenty-three trillion, two hundred twenty-two billion, one hundred twenty-one million, twelve thousand, two hundred eleven".