2200121311 has 4 divisors (see below), whose sum is σ = 2222803072. Its totient is φ = 2177439552.

The previous prime is 2200121309. The next prime is 2200121347. The reversal of 2200121311 is 1131210022.

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

It is a cyclic number.

It is not a de Polignac number, because 2200121311 - 2¹ = 2200121309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200121291 and 2200121300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200121111) 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, 11340735 + ... + 11340928.

It is an arithmetic number, because the mean of its divisors is an integer number (555700768).

Almost surely, 2^2200121311 is an apocalyptic number.

2200121311 is a deficient number, since it is larger than the sum of its proper divisors (22681761).

2200121311 is an equidigital number, since it uses as much as digits as its factorization.

2200121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22681760.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2200121311 is about 46905.4507600130. The cubic root of 2200121311 is about 1300.6153518740.

Adding to 2200121311 its reverse (1131210022), we get a palindrome (3331331333).

The spelling of 2200121311 in words is "two billion, two hundred million, one hundred twenty-one thousand, three hundred eleven".