101130121031100 has 72 divisors (see below), whose sum is σ = 334403600216448. Its totient is φ = 23115456235200.

The previous prime is 101130121031053. The next prime is 101130121031183. The reversal of 101130121031100 is 1130121031101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101130121031100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24078598146 + ... + 24078602345.

Almost surely, 2^{101130121031100} is an apocalyptic number.

101130121031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101130121031100 is an abundant number, since it is smaller than the sum of its proper divisors (233273479185348).

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

101130121031100 is a wasteful number, since it uses less digits than its factorization.

101130121031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48157200515 (or 48157200508 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 101130121031100 its reverse (1130121031101), we get a palindrome (102260242062201).

Subtracting from 101130121031100 its reverse (1130121031101), we obtain a palindrome (99999999999999).

The spelling of 101130121031100 in words is "one hundred one trillion, one hundred thirty billion, one hundred twenty-one million, thirty-one thousand, one hundred".