22101010120949 has 2 divisors, whose sum is σ = 22101010120950. Its totient is φ = 22101010120948.

The previous prime is 22101010120921. The next prime is 22101010120991. The reversal of 22101010120949 is 94902101010122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20873412600049 + 1227597520900 = 4568743^2 + 1107970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101010120949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22101010120999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050505060474 + 11050505060475.

It is an arithmetic number, because the mean of its divisors is an integer number (11050505060475).

Almost surely, 2^{22101010120949} is an apocalyptic number.

It is an amenable number.

22101010120949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101010120949 is an equidigital number, since it uses as much as digits as its factorization.

22101010120949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 22101010120949 in words is "twenty-two trillion, one hundred one billion, ten million, one hundred twenty thousand, nine hundred forty-nine".