81122422103 has 2 divisors, whose sum is σ = 81122422104. Its totient is φ = 81122422102.

The previous prime is 81122422049. The next prime is 81122422123. The reversal of 81122422103 is 30122422118.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 81122422103 - 2⁸ = 81122421847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (81122422123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40561211051 + 40561211052.

It is an arithmetic number, because the mean of its divisors is an integer number (40561211052).

Almost surely, 2^81122422103 is an apocalyptic number.

81122422103 is a deficient number, since it is larger than the sum of its proper divisors (1).

81122422103 is an equidigital number, since it uses as much as digits as its factorization.

81122422103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The spelling of 81122422103 in words is "eighty-one billion, one hundred twenty-two million, four hundred twenty-two thousand, one hundred three".