22101345510231 has 16 divisors (see below), whose sum is σ = 31736969201504. Its totient is φ = 13600097783424.

The previous prime is 22101345510227. The next prime is 22101345510337. The reversal of 22101345510231 is 13201554310122.

It is a happy number.

It is not a de Polignac number, because 22101345510231 - 2² = 22101345510227 is a prime.

It is a super-2 number, since 2×22101345510231² (a number of 27 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 (22101345515231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14476816 + ... + 15930501.

It is an arithmetic number, because the mean of its divisors is an integer number (1983560575094).

Almost surely, 2^{22101345510231} is an apocalyptic number.

22101345510231 is a deficient number, since it is larger than the sum of its proper divisors (9635623691273).

22101345510231 is a wasteful number, since it uses less digits than its factorization.

22101345510231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30425970.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 22101345510231 its reverse (13201554310122), we get a palindrome (35302899820353).

The spelling of 22101345510231 in words is "twenty-two trillion, one hundred one billion, three hundred forty-five million, five hundred ten thousand, two hundred thirty-one".