101131202120 has 48 divisors (see below), whose sum is σ = 246395119860. Its totient is φ = 37340749056.

The previous prime is 101131202119. The next prime is 101131202141. The reversal of 101131202120 is 21202131101.

It can be written as a sum of positive squares in 6 ways, for example, as 10140892804 + 90990309316 = 100702^2 + 301646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101131202095 and 101131202104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7473359 + ... + 7486878.

Almost surely, 2^101131202120 is an apocalyptic number.

101131202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101131202120 is an abundant number, since it is smaller than the sum of its proper divisors (145263917740).

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

101131202120 is a wasteful number, since it uses less digits than its factorization.

101131202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14960274 (or 14960257 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101131202120 its reverse (21202131101), we get a palindrome (122333333221).

The spelling of 101131202120 in words is "one hundred one billion, one hundred thirty-one million, two hundred two thousand, one hundred twenty".