222103111231 has 4 divisors (see below), whose sum is σ = 222105410712. Its totient is φ = 222100811752.

The previous prime is 222103111201. The next prime is 222103111289. The reversal of 222103111231 is 132111301222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222103111231 - 2²³ = 222094722623 is a prime.

It is a super-2 number, since 2×222103111231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222103111199 and 222103111208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222103111201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998200 + ... + 1200253.

It is an arithmetic number, because the mean of its divisors is an integer number (55526352678).

Almost surely, 2^222103111231 is an apocalyptic number.

222103111231 is a deficient number, since it is larger than the sum of its proper divisors (2299481).

222103111231 is a wasteful number, since it uses less digits than its factorization.

222103111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299480.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 222103111231 its reverse (132111301222), we get a palindrome (354214412453).

The spelling of 222103111231 in words is "two hundred twenty-two billion, one hundred three million, one hundred eleven thousand, two hundred thirty-one".