22136988381401 has 2 divisors, whose sum is σ = 22136988381402. Its totient is φ = 22136988381400.

The previous prime is 22136988381371. The next prime is 22136988381413. The reversal of 22136988381401 is 10418388963122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22111399580176 + 25588801225 = 4702276^2 + 159965^2 .

It is a cyclic number.

It is not a de Polignac number, because 22136988381401 - 2⁶ = 22136988381337 is a prime.

It is not a weakly prime, because it can be changed into another prime (22136988381451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11068494190700 + 11068494190701.

It is an arithmetic number, because the mean of its divisors is an integer number (11068494190701).

Almost surely, 2^{22136988381401} is an apocalyptic number.

It is an amenable number.

22136988381401 is a deficient number, since it is larger than the sum of its proper divisors (1).

22136988381401 is an equidigital number, since it uses as much as digits as its factorization.

22136988381401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 22136988381401 in words is "twenty-two trillion, one hundred thirty-six billion, nine hundred eighty-eight million, three hundred eighty-one thousand, four hundred one".