2113220310000 has 400 divisors, whose sum is σ = 6898540560384. Its totient is φ = 557214336000.

The previous prime is 2113220309987. The next prime is 2113220310031. The reversal of 2113220310000 is 130223112.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×2113220310000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1421129257 + ... + 1421130743.

Almost surely, 2^{2113220310000} is an apocalyptic number.

2113220310000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113220310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3449270280192).

2113220310000 is an abundant number, since it is smaller than the sum of its proper divisors (4785320250384).

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

2113220310000 is a wasteful number, since it uses less digits than its factorization.

2113220310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018 (or 1997 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2113220310000 its reverse (130223112), we get a palindrome (2113350533112).

The spelling of 2113220310000 in words is "two trillion, one hundred thirteen billion, two hundred twenty million, three hundred ten thousand".