101533130661 has 16 divisors (see below), whose sum is σ = 138867180480. Its totient is φ = 65948388480.

The previous prime is 101533130623. The next prime is 101533130681. The reversal of 101533130661 is 166031335101.

It is not a de Polignac number, because 101533130661 - 2¹⁰ = 101533129637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101533130681) 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, 467610 + ... + 649403.

It is an arithmetic number, because the mean of its divisors is an integer number (8679198780).

Almost surely, 2^101533130661 is an apocalyptic number.

It is an amenable number.

101533130661 is a deficient number, since it is larger than the sum of its proper divisors (37334049819).

101533130661 is a wasteful number, since it uses less digits than its factorization.

101533130661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117796.

The product of its (nonzero) digits is 4860, while the sum is 30.

Adding to 101533130661 its reverse (166031335101), we get a palindrome (267564465762).

The spelling of 101533130661 in words is "one hundred one billion, five hundred thirty-three million, one hundred thirty thousand, six hundred sixty-one".