2111211337331 has 2 divisors, whose sum is σ = 2111211337332. Its totient is φ = 2111211337330.

The previous prime is 2111211337321. The next prime is 2111211337357. The reversal of 2111211337331 is 1337331121112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111211337331 is a prime.

It is a super-2 number, since 2×2111211337331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111211337294 and 2111211337303.

It is not a weakly prime, because it can be changed into another prime (2111211337321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055605668665 + 1055605668666.

It is an arithmetic number, because the mean of its divisors is an integer number (1055605668666).

Almost surely, 2^{2111211337331} is an apocalyptic number.

2111211337331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111211337331 is an equidigital number, since it uses as much as digits as its factorization.

2111211337331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 29.

Adding to 2111211337331 its reverse (1337331121112), we get a palindrome (3448542458443).

The spelling of 2111211337331 in words is "two trillion, one hundred eleven billion, two hundred eleven million, three hundred thirty-seven thousand, three hundred thirty-one".