2121133242241 has 8 divisors (see below), whose sum is σ = 2301734723904. Its totient is φ = 1943022815760.

The previous prime is 2121133242229. The next prime is 2121133242257. The reversal of 2121133242241 is 1422423311212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2121133242241 - 2³⁵ = 2086773503873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121133242211) 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, 622762021 + ... + 622765426.

It is an arithmetic number, because the mean of its divisors is an integer number (287716840488).

Almost surely, 2^{2121133242241} is an apocalyptic number.

It is an amenable number.

2121133242241 is a deficient number, since it is larger than the sum of its proper divisors (180601481663).

2121133242241 is a wasteful number, since it uses less digits than its factorization.

2121133242241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245527591.

The product of its digits is 4608, while the sum is 28.

Adding to 2121133242241 its reverse (1422423311212), we get a palindrome (3543556553453).

The spelling of 2121133242241 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-three million, two hundred forty-two thousand, two hundred forty-one".