22021131007 has 2 divisors, whose sum is σ = 22021131008. Its totient is φ = 22021131006.

The previous prime is 22021131001. The next prime is 22021131019. The reversal of 22021131007 is 70013112022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22021131007 - 2³¹ = 19873647359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021131001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010565503 + 11010565504.

It is an arithmetic number, because the mean of its divisors is an integer number (11010565504).

Almost surely, 2^22021131007 is an apocalyptic number.

22021131007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021131007 is an equidigital number, since it uses as much as digits as its factorization.

22021131007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 22021131007 its reverse (70013112022), we get a palindrome (92034243029).

The spelling of 22021131007 in words is "twenty-two billion, twenty-one million, one hundred thirty-one thousand, seven".