22311123201 has 6 divisors (see below), whose sum is σ = 32227177970. Its totient is φ = 14874082128.

The previous prime is 22311123161. The next prime is 22311123287. The reversal of 22311123201 is 10232111322.

22311123201 is a `hidden beast` number, since 2 + 231 + 112 + 320 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21790188225 + 520934976 = 147615^2 + 22824^2 .

It is not a de Polignac number, because 22311123201 - 2⁷ = 22311123073 is a prime.

It is a super-3 number, since 3×22311123201³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22311128201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1239506836 + ... + 1239506853.

Almost surely, 2^22311123201 is an apocalyptic number.

It is an amenable number.

22311123201 is a deficient number, since it is larger than the sum of its proper divisors (9916054769).

22311123201 is a wasteful number, since it uses less digits than its factorization.

22311123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479013695 (or 2479013692 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22311123201 its reverse (10232111322), we get a palindrome (32543234523).

The spelling of 22311123201 in words is "twenty-two billion, three hundred eleven million, one hundred twenty-three thousand, two hundred one".