2210144331991 has 2 divisors, whose sum is σ = 2210144331992. Its totient is φ = 2210144331990.

The previous prime is 2210144331971. The next prime is 2210144332007. The reversal of 2210144331991 is 1991334410122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2210144331991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210144331911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105072165995 + 1105072165996.

It is an arithmetic number, because the mean of its divisors is an integer number (1105072165996).

Almost surely, 2^{2210144331991} is an apocalyptic number.

2210144331991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210144331991 is an equidigital number, since it uses as much as digits as its factorization.

2210144331991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 2210144331991 in words is "two trillion, two hundred ten billion, one hundred forty-four million, three hundred thirty-one thousand, nine hundred ninety-one".