102111222079 has 2 divisors, whose sum is σ = 102111222080. Its totient is φ = 102111222078.

The previous prime is 102111222013. The next prime is 102111222107. The reversal of 102111222079 is 970222111201.

It is an a-pointer prime, because the next prime (102111222107) can be obtained adding 102111222079 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102111222079 - 2¹⁷ = 102111091007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111222779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055611039 + 51055611040.

It is an arithmetic number, because the mean of its divisors is an integer number (51055611040).

Almost surely, 2^102111222079 is an apocalyptic number.

102111222079 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111222079 is an equidigital number, since it uses as much as digits as its factorization.

102111222079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 102111222079 in words is "one hundred two billion, one hundred eleven million, two hundred twenty-two thousand, seventy-nine".