102122122111 has 2 divisors, whose sum is σ = 102122122112. Its totient is φ = 102122122110.

The previous prime is 102122122103. The next prime is 102122122153. The reversal of 102122122111 is 111221221201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102122122111 - 2³ = 102122122103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102122122511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061061055 + 51061061056.

It is an arithmetic number, because the mean of its divisors is an integer number (51061061056).

Almost surely, 2^102122122111 is an apocalyptic number.

102122122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102122122111 is an equidigital number, since it uses as much as digits as its factorization.

102122122111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102122122111 its reverse (111221221201), we get a palindrome (213343343312).

The spelling of 102122122111 in words is "one hundred two billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred eleven".