2231121302133 has 4 divisors (see below), whose sum is σ = 2974828402848. Its totient is φ = 1487414201420.

The previous prime is 2231121302119. The next prime is 2231121302149. The reversal of 2231121302133 is 3312031211322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2231121302133 - 2⁵ = 2231121302101 is a prime.

It is a super-3 number, since 3×2231121302133³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231121302533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371853550353 + ... + 371853550358.

It is an arithmetic number, because the mean of its divisors is an integer number (743707100712).

Almost surely, 2^{2231121302133} is an apocalyptic number.

It is an amenable number.

2231121302133 is a deficient number, since it is larger than the sum of its proper divisors (743707100715).

2231121302133 is an equidigital number, since it uses as much as digits as its factorization.

2231121302133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743707100714.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2231121302133 its reverse (3312031211322), we get a palindrome (5543152513455).

The spelling of 2231121302133 in words is "two trillion, two hundred thirty-one billion, one hundred twenty-one million, three hundred two thousand, one hundred thirty-three".