260212291121 has 2 divisors, whose sum is σ = 260212291122. Its totient is φ = 260212291120.

The previous prime is 260212291111. The next prime is 260212291153. The reversal of 260212291121 is 121192212062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224657040400 + 35555250721 = 473980^2 + 188561^2 .

It is a cyclic number.

It is not a de Polignac number, because 260212291121 - 2³⁴ = 243032421937 is a prime.

It is not a weakly prime, because it can be changed into another prime (260212291111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130106145560 + 130106145561.

It is an arithmetic number, because the mean of its divisors is an integer number (130106145561).

Almost surely, 2^260212291121 is an apocalyptic number.

It is an amenable number.

260212291121 is a deficient number, since it is larger than the sum of its proper divisors (1).

260212291121 is an equidigital number, since it uses as much as digits as its factorization.

260212291121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 260212291121 in words is "two hundred sixty billion, two hundred twelve million, two hundred ninety-one thousand, one hundred twenty-one".