22101012001157 has 2 divisors, whose sum is σ = 22101012001158. Its totient is φ = 22101012001156.

The previous prime is 22101012001151. The next prime is 22101012001249. The reversal of 22101012001157 is 75110021010122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20407679760196 + 1693332240961 = 4517486^2 + 1301281^2 .

It is a cyclic number.

It is not a de Polignac number, because 22101012001157 - 2¹⁸ = 22101011739013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22101012001151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050506000578 + 11050506000579.

It is an arithmetic number, because the mean of its divisors is an integer number (11050506000579).

Almost surely, 2^{22101012001157} is an apocalyptic number.

It is an amenable number.

22101012001157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101012001157 is an equidigital number, since it uses as much as digits as its factorization.

22101012001157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 23.

Adding to 22101012001157 its reverse (75110021010122), we get a palindrome (97211033011279).

The spelling of 22101012001157 in words is "twenty-two trillion, one hundred one billion, twelve million, one thousand, one hundred fifty-seven".