11222210231 has 4 divisors (see below), whose sum is σ = 11280356592. Its totient is φ = 11164063872.

The previous prime is 11222210189. The next prime is 11222210249. The reversal of 11222210231 is 13201222211.

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 11222210231 - 2²² = 11218015927 is a prime.

It is a super-2 number, since 2×11222210231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222210261) 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, 29072891 + ... + 29073276.

It is an arithmetic number, because the mean of its divisors is an integer number (2820089148).

Almost surely, 2^11222210231 is an apocalyptic number.

11222210231 is a deficient number, since it is larger than the sum of its proper divisors (58146361).

11222210231 is an equidigital number, since it uses as much as digits as its factorization.

11222210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58146360.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11222210231 its reverse (13201222211), we get a palindrome (24423432442).

The spelling of 11222210231 in words is "eleven billion, two hundred twenty-two million, two hundred ten thousand, two hundred thirty-one".