113331321021012 has 48 divisors (see below), whose sum is σ = 275938030878720. Its totient is φ = 36134506048608.

The previous prime is 113331321021011. The next prime is 113331321021047. The reversal of 113331321021012 is 210120123133311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113331321021011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130013973 + ... + 130882755.

It is an arithmetic number, because the mean of its divisors is an integer number (5748708976640).

Almost surely, 2^{113331321021012} is an apocalyptic number.

113331321021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113331321021012 is an abundant number, since it is smaller than the sum of its proper divisors (162606709857708).

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

113331321021012 is a wasteful number, since it uses less digits than its factorization.

113331321021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341452 (or 1341450 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 113331321021012 its reverse (210120123133311), we get a palindrome (323451444154323).

The spelling of 113331321021012 in words is "one hundred thirteen trillion, three hundred thirty-one billion, three hundred twenty-one million, twenty-one thousand, twelve".