101131330212 has 72 divisors (see below), whose sum is σ = 281345369760. Its totient is φ = 30374641920.

The previous prime is 101131330193. The next prime is 101131330219. The reversal of 101131330212 is 212033131101.

101131330212 is a `hidden beast` number, since 10 + 113 + 1 + 330 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101131330219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1085262 + ... + 1174757.

It is an arithmetic number, because the mean of its divisors is an integer number (3907574580).

Almost surely, 2^101131330212 is an apocalyptic number.

101131330212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101131330212 is an abundant number, since it is smaller than the sum of its proper divisors (180214039548).

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

101131330212 is a wasteful number, since it uses less digits than its factorization.

101131330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260153 (or 2260148 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101131330212 its reverse (212033131101), we get a palindrome (313164461313).

The spelling of 101131330212 in words is "one hundred one billion, one hundred thirty-one million, three hundred thirty thousand, two hundred twelve".