113212221550499 has 4 divisors (see below), whose sum is σ = 119871763994664. Its totient is φ = 106552679106336.

The previous prime is 113212221550481. The next prime is 113212221550513. The reversal of 113212221550499 is 994055122212311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113212221550499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113212221550409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3329771222057 + ... + 3329771222090.

It is an arithmetic number, because the mean of its divisors is an integer number (29967940998666).

Almost surely, 2^{113212221550499} is an apocalyptic number.

113212221550499 is a deficient number, since it is larger than the sum of its proper divisors (6659542444165).

113212221550499 is an equidigital number, since it uses as much as digits as its factorization.

113212221550499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6659542444164.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 113212221550499 in words is "one hundred thirteen trillion, two hundred twelve billion, two hundred twenty-one million, five hundred fifty thousand, four hundred ninety-nine".