202222101123 has 32 divisors (see below), whose sum is σ = 350349120000. Its totient is φ = 112868144928.

The previous prime is 202222101119. The next prime is 202222101161. The reversal of 202222101123 is 321101222202.

It is not a de Polignac number, because 202222101123 - 2² = 202222101119 is a prime.

It is a super-2 number, since 2×202222101123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202222101096 and 202222101105.

It is not an unprimeable number, because it can be changed into a prime (202222101623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12433248 + ... + 12449501.

It is an arithmetic number, because the mean of its divisors is an integer number (10948410000).

Almost surely, 2^202222101123 is an apocalyptic number.

202222101123 is a deficient number, since it is larger than the sum of its proper divisors (148127018877).

202222101123 is a wasteful number, since it uses less digits than its factorization.

202222101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24882808 (or 24882802 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 202222101123 its reverse (321101222202), we get a palindrome (523323323325).

The spelling of 202222101123 in words is "two hundred two billion, two hundred twenty-two million, one hundred one thousand, one hundred twenty-three".