2113201243122 has 16 divisors (see below), whose sum is σ = 4269973647072. Its totient is φ = 697138554240.

The previous prime is 2113201243067. The next prime is 2113201243169. The reversal of 2113201243122 is 2213421023112.

It is a junction number, because it is equal to n+sod(n) for n = 2113201243092 and 2113201243101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1815464404 + ... + 1815465567.

It is an arithmetic number, because the mean of its divisors is an integer number (266873352942).

Almost surely, 2^{2113201243122} is an apocalyptic number.

2113201243122 is an abundant number, since it is smaller than the sum of its proper divisors (2156772403950).

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

2113201243122 is a wasteful number, since it uses less digits than its factorization.

2113201243122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630930073.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2113201243122 its reverse (2213421023112), we get a palindrome (4326622266234).

The spelling of 2113201243122 in words is "two trillion, one hundred thirteen billion, two hundred one million, two hundred forty-three thousand, one hundred twenty-two".