22130333021 has 2 divisors, whose sum is σ = 22130333022. Its totient is φ = 22130333020.

The previous prime is 22130332937. The next prime is 22130333053. The reversal of 22130333021 is 12033303122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19673148121 + 2457184900 = 140261^2 + 49570^2 .

It is a cyclic number.

It is not a de Polignac number, because 22130333021 - 2²² = 22126138717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22130332984 and 22130333002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22130333081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065166510 + 11065166511.

It is an arithmetic number, because the mean of its divisors is an integer number (11065166511).

Almost surely, 2^22130333021 is an apocalyptic number.

It is an amenable number.

22130333021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22130333021 is an equidigital number, since it uses as much as digits as its factorization.

22130333021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 22130333021 its reverse (12033303122), we get a palindrome (34163636143).

The spelling of 22130333021 in words is "twenty-two billion, one hundred thirty million, three hundred thirty-three thousand, twenty-one".