2113222312000 has 112 divisors (see below), whose sum is σ = 5239046844720. Its totient is φ = 844376064000.

The previous prime is 2113222311883. The next prime is 2113222312021. The reversal of 2113222312000 is 2132223112.

It can be written as a sum of positive squares in 8 ways, for example, as 1541650023424 + 571572288576 = 1241632^2 + 756024^2 .

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, 7289830 + ... + 7574170.

Almost surely, 2^{2113222312000} is an apocalyptic number.

2113222312000 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 2113222312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2619523422360).

2113222312000 is an abundant number, since it is smaller than the sum of its proper divisors (3125824532720).

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

2113222312000 is an equidigital number, since it uses as much as digits as its factorization.

2113222312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285297 (or 285277 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2113222312000 its reverse (2132223112), we get a palindrome (2115354535112).

The spelling of 2113222312000 in words is "two trillion, one hundred thirteen billion, two hundred twenty-two million, three hundred twelve thousand".