102791220943 has 2 divisors, whose sum is σ = 102791220944. Its totient is φ = 102791220942.

The previous prime is 102791220787. The next prime is 102791221051. The reversal of 102791220943 is 349022197201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102791220943 - 2²¹ = 102789123791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102791220896 and 102791220905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102791220043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51395610471 + 51395610472.

It is an arithmetic number, because the mean of its divisors is an integer number (51395610472).

Almost surely, 2^102791220943 is an apocalyptic number.

102791220943 is a deficient number, since it is larger than the sum of its proper divisors (1).

102791220943 is an equidigital number, since it uses as much as digits as its factorization.

102791220943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 102791220943 in words is "one hundred two billion, seven hundred ninety-one million, two hundred twenty thousand, nine hundred forty-three".