2113031221000 has 64 divisors (see below), whose sum is σ = 5650849226880. Its totient is φ = 724467844800.

The previous prime is 2113031220997. The next prime is 2113031221061. The reversal of 2113031221000 is 1221303112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150923802 + ... + 150937801.

It is an arithmetic number, because the mean of its divisors is an integer number (88294519170).

Almost surely, 2^{2113031221000} is an apocalyptic number.

2113031221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113031221000 is an abundant number, since it is smaller than the sum of its proper divisors (3537818005880).

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

2113031221000 is a wasteful number, since it uses less digits than its factorization.

2113031221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301861631 (or 301861617 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2113031221000 its reverse (1221303112), we get a palindrome (2114252524112).

The spelling of 2113031221000 in words is "two trillion, one hundred thirteen billion, thirty-one million, two hundred twenty-one thousand".