122213300231 has 4 divisors (see below), whose sum is σ = 133323600264. Its totient is φ = 111103000200.

The previous prime is 122213300207. The next prime is 122213300233. The reversal of 122213300231 is 132003312221.

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 122213300231 - 2²² = 122209105927 is a prime.

It is a super-2 number, since 2×122213300231² (a number of 23 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 (122213300233) 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, 5555150000 + ... + 5555150021.

It is an arithmetic number, because the mean of its divisors is an integer number (33330900066).

Almost surely, 2^122213300231 is an apocalyptic number.

122213300231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122213300231 is a deficient number, since it is larger than the sum of its proper divisors (11110300033).

122213300231 is a wasteful number, since it uses less digits than its factorization.

122213300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110300032.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 122213300231 its reverse (132003312221), we get a palindrome (254216612452).

The spelling of 122213300231 in words is "one hundred twenty-two billion, two hundred thirteen million, three hundred thousand, two hundred thirty-one".