223112121242 has 32 divisors (see below), whose sum is σ = 356593321728. Its totient is φ = 104331015936.

The previous prime is 223112121229. The next prime is 223112121251. The reversal of 223112121242 is 242121211322.

It is a super-3 number, since 3×223112121242³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28141883 + ... + 28149809.

It is an arithmetic number, because the mean of its divisors is an integer number (11143541304).

Almost surely, 2^223112121242 is an apocalyptic number.

223112121242 is a deficient number, since it is larger than the sum of its proper divisors (133481200486).

223112121242 is a wasteful number, since it uses less digits than its factorization.

223112121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13070.

The product of its digits is 768, while the sum is 23.

Adding to 223112121242 its reverse (242121211322), we get a palindrome (465233332564).

The spelling of 223112121242 in words is "two hundred twenty-three billion, one hundred twelve million, one hundred twenty-one thousand, two hundred forty-two".