113312000021 has 16 divisors (see below), whose sum is σ = 123994022400. Its totient is φ = 102693902400.

The previous prime is 113311999979. The next prime is 113312000029. The reversal of 113312000021 is 120000213311.

It is a cyclic number.

It is not a de Polignac number, because 113312000021 - 2¹⁴ = 113311983637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113312000029) 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 15 ways as a sum of consecutive naturals, for example, 5580275 + ... + 5600543.

It is an arithmetic number, because the mean of its divisors is an integer number (7749626400).

Almost surely, 2^113312000021 is an apocalyptic number.

113312000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113312000021 is a deficient number, since it is larger than the sum of its proper divisors (10682022379).

113312000021 is a wasteful number, since it uses less digits than its factorization.

113312000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21820.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 113312000021 its reverse (120000213311), we get a palindrome (233312213332).

The spelling of 113312000021 in words is "one hundred thirteen billion, three hundred twelve million, twenty-one", and thus it is an aban number.