2200131121121 has 4 divisors (see below), whose sum is σ = 2329550598852. Its totient is φ = 2070711643392.

The previous prime is 2200131121091. The next prime is 2200131121151. The reversal of 2200131121121 is 1211211310022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2200131121091) and next prime (2200131121151).

It can be written as a sum of positive squares in 2 ways, for example, as 1636864360000 + 563266761121 = 1279400^2 + 750511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200131121121 - 2³⁸ = 1925253214177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 129419477713 = 2200131121121 / (2 + 2 + 0 + 0 + 1 + 3 + 1 + 1 + 2 + 1 + 1 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2200131121121.

It is not an unprimeable number, because it can be changed into a prime (2200131121151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64709738840 + ... + 64709738873.

It is an arithmetic number, because the mean of its divisors is an integer number (582387649713).

Almost surely, 2^{2200131121121} is an apocalyptic number.

It is an amenable number.

2200131121121 is a deficient number, since it is larger than the sum of its proper divisors (129419477731).

2200131121121 is a wasteful number, since it uses less digits than its factorization.

2200131121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129419477730.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2200131121121 its reverse (1211211310022), we get a palindrome (3411342431143).

The spelling of 2200131121121 in words is "two trillion, two hundred billion, one hundred thirty-one million, one hundred twenty-one thousand, one hundred twenty-one".