2113031220999 has 8 divisors (see below), whose sum is σ = 2817389064960. Its totient is φ = 1408680428856.

The previous prime is 2113031220997. The next prime is 2113031221061. The reversal of 2113031220999 is 9990221303112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2113031220999 - 2¹ = 2113031220997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113031220999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113031220991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018927 + ... + 2294400.

It is an arithmetic number, because the mean of its divisors is an integer number (352173633120).

Almost surely, 2^{2113031220999} is an apocalyptic number.

2113031220999 is a deficient number, since it is larger than the sum of its proper divisors (704357843961).

2113031220999 is a wasteful number, since it uses less digits than its factorization.

2113031220999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525909.

The product of its (nonzero) digits is 52488, while the sum is 42.

The spelling of 2113031220999 in words is "two trillion, one hundred thirteen billion, thirty-one million, two hundred twenty thousand, nine hundred ninety-nine".