22021131002 has 16 divisors (see below), whose sum is σ = 35611854432. Its totient is φ = 10152382320.

The previous prime is 22021131001. The next prime is 22021131007. The reversal of 22021131002 is 20013112022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22021131001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443324 + ... + 490487.

It is an arithmetic number, because the mean of its divisors is an integer number (2225740902).

Almost surely, 2^22021131002 is an apocalyptic number.

22021131002 is a deficient number, since it is larger than the sum of its proper divisors (13590723430).

22021131002 is a wasteful number, since it uses less digits than its factorization.

22021131002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934733.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22021131002 its reverse (20013112022), we get a palindrome (42034243024).

The spelling of 22021131002 in words is "twenty-two billion, twenty-one million, one hundred thirty-one thousand, two".