122100102112111 has 2 divisors, whose sum is σ = 122100102112112. Its totient is φ = 122100102112110.

The previous prime is 122100102112057. The next prime is 122100102112127. The reversal of 122100102112111 is 111211201001221.

It is an a-pointer prime, because the next prime (122100102112127) can be obtained adding 122100102112111 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122100102112111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122100102112411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050051056055 + 61050051056056.

It is an arithmetic number, because the mean of its divisors is an integer number (61050051056056).

Almost surely, 2^{122100102112111} is an apocalyptic number.

122100102112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122100102112111 is an equidigital number, since it uses as much as digits as its factorization.

122100102112111 is an evil number, because the sum of its binary digits is even.

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

Adding to 122100102112111 its reverse (111211201001221), we get a palindrome (233311303113332).

The spelling of 122100102112111 in words is "one hundred twenty-two trillion, one hundred billion, one hundred two million, one hundred twelve thousand, one hundred eleven".