2111132022731 has 2 divisors, whose sum is σ = 2111132022732. Its totient is φ = 2111132022730.

The previous prime is 2111132022697. The next prime is 2111132022739. The reversal of 2111132022731 is 1372202311112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111132022731 - 2⁶ = 2111132022667 is a prime.

It is a super-2 number, since 2×2111132022731² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2111132022731.

It is not a weakly prime, because it can be changed into another prime (2111132022739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055566011365 + 1055566011366.

It is an arithmetic number, because the mean of its divisors is an integer number (1055566011366).

Almost surely, 2^{2111132022731} is an apocalyptic number.

2111132022731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111132022731 is an equidigital number, since it uses as much as digits as its factorization.

2111132022731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 2111132022731 its reverse (1372202311112), we get a palindrome (3483334333843).

The spelling of 2111132022731 in words is "two trillion, one hundred eleven billion, one hundred thirty-two million, twenty-two thousand, seven hundred thirty-one".