102001223400757 has 2 divisors, whose sum is σ = 102001223400758. Its totient is φ = 102001223400756.

The previous prime is 102001223400623. The next prime is 102001223400809. The reversal of 102001223400757 is 757004322100201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82879065194436 + 19122158206321 = 9103794^2 + 4372889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102001223400757 is a prime.

It is a super-2 number, since 2×102001223400757² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102007223400757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000611700378 + 51000611700379.

It is an arithmetic number, because the mean of its divisors is an integer number (51000611700379).

Almost surely, 2^{102001223400757} is an apocalyptic number.

It is an amenable number.

102001223400757 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001223400757 is an equidigital number, since it uses as much as digits as its factorization.

102001223400757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

Adding to 102001223400757 its reverse (757004322100201), we get a palindrome (859005545500958).

The spelling of 102001223400757 in words is "one hundred two trillion, one billion, two hundred twenty-three million, four hundred thousand, seven hundred fifty-seven".