100661510110 has 32 divisors (see below), whose sum is σ = 210584862720. Its totient is φ = 33927558432.

The previous prime is 100661510101. The next prime is 100661510129. The reversal of 100661510110 is 11015166001.

It is a super-3 number, since 3×100661510110³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12182494 + ... + 12190753.

It is an arithmetic number, because the mean of its divisors is an integer number (6580776960).

Almost surely, 2^100661510110 is an apocalyptic number.

100661510110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100661510110 is an abundant number, since it is smaller than the sum of its proper divisors (109923352610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100661510110 is a wasteful number, since it uses less digits than its factorization.

100661510110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24373320.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 100661510110 its reverse (11015166001), we get a palindrome (111676676111).

The spelling of 100661510110 in words is "one hundred billion, six hundred sixty-one million, five hundred ten thousand, one hundred ten".