100660501011 has 96 divisors (see below), whose sum is σ = 166455777600. Its totient is φ = 53852897280.

The previous prime is 100660500961. The next prime is 100660501091. The reversal of 100660501011 is 110105066001.

It is not a de Polignac number, because 100660501011 - 2⁶ = 100660500947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (100660501091) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30235795 + ... + 30239123.

It is an arithmetic number, because the mean of its divisors is an integer number (1733914350).

Almost surely, 2^100660501011 is an apocalyptic number.

100660501011 is a deficient number, since it is larger than the sum of its proper divisors (65795276589).

100660501011 is a wasteful number, since it uses less digits than its factorization.

100660501011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589 (or 3582 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 100660501011 its reverse (110105066001), we get a palindrome (210765567012).

The spelling of 100660501011 in words is "one hundred billion, six hundred sixty million, five hundred one thousand, eleven".