101123102130 has 64 divisors (see below), whose sum is σ = 243520128000. Its totient is φ = 26874694080.

The previous prime is 101123102057. The next prime is 101123102149. The reversal of 101123102130 is 31201321101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11118885 + ... + 11127975.

It is an arithmetic number, because the mean of its divisors is an integer number (3805002000).

Almost surely, 2^101123102130 is an apocalyptic number.

101123102130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101123102130 is an abundant number, since it is smaller than the sum of its proper divisors (142397025870).

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

101123102130 is a wasteful number, since it uses less digits than its factorization.

101123102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10319.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101123102130 its reverse (31201321101), we get a palindrome (132324423231).

The spelling of 101123102130 in words is "one hundred one billion, one hundred twenty-three million, one hundred two thousand, one hundred thirty".