102111323077 has 2 divisors, whose sum is σ = 102111323078. Its totient is φ = 102111323076.

The previous prime is 102111323029. The next prime is 102111323147. The reversal of 102111323077 is 770323111201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93749866596 + 8361456481 = 306186^2 + 91441^2 .

It is a cyclic number.

It is not a de Polignac number, because 102111323077 - 2²³ = 102102934469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111321077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055661538 + 51055661539.

It is an arithmetic number, because the mean of its divisors is an integer number (51055661539).

Almost surely, 2^102111323077 is an apocalyptic number.

It is an amenable number.

102111323077 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111323077 is an equidigital number, since it uses as much as digits as its factorization.

102111323077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

Adding to 102111323077 its reverse (770323111201), we get a palindrome (872434434278).

The spelling of 102111323077 in words is "one hundred two billion, one hundred eleven million, three hundred twenty-three thousand, seventy-seven".