22131001010 has 16 divisors (see below), whose sum is σ = 39839273496. Its totient is φ = 8851628928.

The previous prime is 22131001003. The next prime is 22131001073. The reversal of 22131001010 is 1010013122.

It can be written as a sum of positive squares in 4 ways, for example, as 21665779249 + 465221761 = 147193^2 + 21569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22131000982 and 22131001000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32222 + ... + 212838.

Almost surely, 2^22131001010 is an apocalyptic number.

22131001010 is a deficient number, since it is larger than the sum of its proper divisors (17708272486).

22131001010 is a wasteful number, since it uses less digits than its factorization.

22131001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192877.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 22131001010 its reverse (1010013122), we get a palindrome (23141014132).

The spelling of 22131001010 in words is "twenty-two billion, one hundred thirty-one million, one thousand, ten".