2231124211291 has 2 divisors, whose sum is σ = 2231124211292. Its totient is φ = 2231124211290.

The previous prime is 2231124211279. The next prime is 2231124211319. The reversal of 2231124211291 is 1921124211322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231124211291 - 2⁷ = 2231124211163 is a prime.

It is a super-3 number, since 3×2231124211291³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231124211391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115562105645 + 1115562105646.

It is an arithmetic number, because the mean of its divisors is an integer number (1115562105646).

Almost surely, 2^{2231124211291} is an apocalyptic number.

2231124211291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231124211291 is an equidigital number, since it uses as much as digits as its factorization.

2231124211291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

Adding to 2231124211291 its sum of digits (31), we get a palindrome (2231124211322).

The spelling of 2231124211291 in words is "two trillion, two hundred thirty-one billion, one hundred twenty-four million, two hundred eleven thousand, two hundred ninety-one".