22201101231 has 16 divisors (see below), whose sum is σ = 30467525088. Its totient is φ = 14369443200.

The previous prime is 22201101211. The next prime is 22201101239. The reversal of 22201101231 is 13210110222.

It is not a de Polignac number, because 22201101231 - 2⁵ = 22201101199 is a prime.

It is a super-2 number, since 2×22201101231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22201101231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201101239) 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, 165760 + ... + 268101.

It is an arithmetic number, because the mean of its divisors is an integer number (1904220318).

Almost surely, 2^22201101231 is an apocalyptic number.

22201101231 is a deficient number, since it is larger than the sum of its proper divisors (8266423857).

22201101231 is a wasteful number, since it uses less digits than its factorization.

22201101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434362.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22201101231 its reverse (13210110222), we get a palindrome (35411211453).

The spelling of 22201101231 in words is "twenty-two billion, two hundred one million, one hundred one thousand, two hundred thirty-one".