220103130232991 has 2 divisors, whose sum is σ = 220103130232992. Its totient is φ = 220103130232990.

The previous prime is 220103130232981. The next prime is 220103130233033. The reversal of 220103130232991 is 199232031301022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220103130232991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220103130232981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051565116495 + 110051565116496.

It is an arithmetic number, because the mean of its divisors is an integer number (110051565116496).

Almost surely, 2^{220103130232991} is an apocalyptic number.

220103130232991 is a deficient number, since it is larger than the sum of its proper divisors (1).

220103130232991 is an equidigital number, since it uses as much as digits as its factorization.

220103130232991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 220103130232991 in words is "two hundred twenty trillion, one hundred three billion, one hundred thirty million, two hundred thirty-two thousand, nine hundred ninety-one".