101252420751 has 16 divisors (see below), whose sum is σ = 139383889920. Its totient is φ = 65312086560.

The previous prime is 101252420741. The next prime is 101252420791. The reversal of 101252420751 is 157024252101.

It is a happy number.

It is not a de Polignac number, because 101252420751 - 2⁷ = 101252420623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101252420701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420610 + ... + 615968.

It is an arithmetic number, because the mean of its divisors is an integer number (8711493120).

Almost surely, 2^101252420751 is an apocalyptic number.

101252420751 is a deficient number, since it is larger than the sum of its proper divisors (38131469169).

101252420751 is a wasteful number, since it uses less digits than its factorization.

101252420751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200966.

The product of its (nonzero) digits is 5600, while the sum is 30.

Adding to 101252420751 its reverse (157024252101), we get a palindrome (258276672852).

The spelling of 101252420751 in words is "one hundred one billion, two hundred fifty-two million, four hundred twenty thousand, seven hundred fifty-one".