22012110020951 has 2 divisors, whose sum is σ = 22012110020952. Its totient is φ = 22012110020950.

The previous prime is 22012110020947. The next prime is 22012110021017. The reversal of 22012110020951 is 15902001121022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22012110020951 - 2² = 22012110020947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22012110020951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012110040951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006055010475 + 11006055010476.

It is an arithmetic number, because the mean of its divisors is an integer number (11006055010476).

Almost surely, 2^{22012110020951} is an apocalyptic number.

22012110020951 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012110020951 is an equidigital number, since it uses as much as digits as its factorization.

22012110020951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 22012110020951 its reverse (15902001121022), we get a palindrome (37914111141973).

The spelling of 22012110020951 in words is "twenty-two trillion, twelve billion, one hundred ten million, twenty thousand, nine hundred fifty-one".