2122121241 has 8 divisors (see below), whose sum is σ = 3143883360. Its totient is φ = 1414747476.

The previous prime is 2122121227. The next prime is 2122121279. The reversal of 2122121241 is 1421212212.

2122121241 is a `hidden beast` number, since 212 + 212 + 1 + 241 = 666.

It is not a de Polignac number, because 2122121241 - 2¹¹ = 2122119193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122121291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39298515 + ... + 39298568.

It is an arithmetic number, because the mean of its divisors is an integer number (392985420).

Almost surely, 2^2122121241 is an apocalyptic number.

It is an amenable number.

2122121241 is a deficient number, since it is larger than the sum of its proper divisors (1021762119).

2122121241 is an equidigital number, since it uses as much as digits as its factorization.

2122121241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78597092 (or 78597086 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 2122121241 is about 46066.4871788592. The cubic root of 2122121241 is about 1285.0599761052.

Adding to 2122121241 its reverse (1421212212), we get a palindrome (3543333453).

The spelling of 2122121241 in words is "two billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred forty-one".