2112131201 has 2 divisors, whose sum is σ = 2112131202. Its totient is φ = 2112131200.

The previous prime is 2112131149. The next prime is 2112131207. The reversal of 2112131201 is 1021312112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1876968976 + 235162225 = 43324^2 + 15335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112131201 - 2⁶ = 2112131137 is a prime.

It is a super-2 number, since 2×2112131201² = 8922196420475404802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112131207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056065600 + 1056065601.

It is an arithmetic number, because the mean of its divisors is an integer number (1056065601).

Almost surely, 2^2112131201 is an apocalyptic number.

It is an amenable number.

2112131201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112131201 is an equidigital number, since it uses as much as digits as its factorization.

2112131201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2112131201 is about 45957.9285977947. The cubic root of 2112131201 is about 1283.0402991068.

Adding to 2112131201 its reverse (1021312112), we get a palindrome (3133443313).

The spelling of 2112131201 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, two hundred one".