2900121131 has 2 divisors, whose sum is σ = 2900121132. Its totient is φ = 2900121130.

The previous prime is 2900121089. The next prime is 2900121179. The reversal of 2900121131 is 1311210092.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2900121131 - 2⁶ = 2900121067 is a prime.

It is a super-2 number, since 2×2900121131² = 16821405148945438322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2900121181) 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 as a sum of consecutive naturals, namely, 1450060565 + 1450060566.

It is an arithmetic number, because the mean of its divisors is an integer number (1450060566).

Almost surely, 2^2900121131 is an apocalyptic number.

2900121131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2900121131 is an equidigital number, since it uses as much as digits as its factorization.

2900121131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2900121131 is about 53852.7727327015. The cubic root of 2900121131 is about 1426.0630018122.

The spelling of 2900121131 in words is "two billion, nine hundred million, one hundred twenty-one thousand, one hundred thirty-one".