2200121331 has 4 divisors (see below), whose sum is σ = 2933495112. Its totient is φ = 1466747552.

The previous prime is 2200121309. The next prime is 2200121347. The reversal of 2200121331 is 1331210022.

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 2200121331 - 2¹¹ = 2200119283 is a prime.

It is a super-2 number, since 2×2200121331² = 9681067742242423122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2200121331.

It is not an unprimeable number, because it can be changed into a prime (2200125331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366686886 + ... + 366686891.

It is an arithmetic number, because the mean of its divisors is an integer number (733373778).

Almost surely, 2^2200121331 is an apocalyptic number.

2200121331 is a deficient number, since it is larger than the sum of its proper divisors (733373781).

2200121331 is an equidigital number, since it uses as much as digits as its factorization.

2200121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733373780.

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

The square root of 2200121331 is about 46905.4509732078. The cubic root of 2200121331 is about 1300.6153558150.

Adding to 2200121331 its reverse (1331210022), we get a palindrome (3531331353).

The spelling of 2200121331 in words is "two billion, two hundred million, one hundred twenty-one thousand, three hundred thirty-one".