222123311130 has 128 divisors (see below), whose sum is σ = 611164569600. Its totient is φ = 50612016384.

The previous prime is 222123311129. The next prime is 222123311161. The reversal of 222123311130 is 31113321222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 222123311097 and 222123311106.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142477291 + ... + 142478849.

It is an arithmetic number, because the mean of its divisors is an integer number (4774723200).

Almost surely, 2^222123311130 is an apocalyptic number.

222123311130 is an abundant number, since it is smaller than the sum of its proper divisors (389041258470).

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

222123311130 is a wasteful number, since it uses less digits than its factorization.

222123311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 222123311130 its reverse (31113321222), we get a palindrome (253236632352).

The spelling of 222123311130 in words is "two hundred twenty-two billion, one hundred twenty-three million, three hundred eleven thousand, one hundred thirty".