101113133212 has 96 divisors (see below), whose sum is σ = 219813027840. Its totient is φ = 39629537280.

The previous prime is 101113133189. The next prime is 101113133237. The reversal of 101113133212 is 212331311101.

It is a self number, because there is not a number n which added to its sum of digits gives 101113133212.

It is a congruent 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, 17864839 + ... + 17870497.

It is an arithmetic number, because the mean of its divisors is an integer number (2289719040).

Almost surely, 2^101113133212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101113133212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109906513920).

101113133212 is an abundant number, since it is smaller than the sum of its proper divisors (118699894628).

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

101113133212 is a wasteful number, since it uses less digits than its factorization.

101113133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6131 (or 6129 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 101113133212 its reverse (212331311101), we get a palindrome (313444444313).

The spelling of 101113133212 in words is "one hundred one billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred twelve".