122103311102111 has 2 divisors, whose sum is σ = 122103311102112. Its totient is φ = 122103311102110.

The previous prime is 122103311102083. The next prime is 122103311102131. The reversal of 122103311102111 is 111201113301221.

It is an a-pointer prime, because the next prime (122103311102131) can be obtained adding 122103311102111 to its sum of digits (20).

It is a strong prime.

It is an emirp because it is prime and its reverse (111201113301221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122103311102111 - 2³⁴ = 122086131232927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122103311102131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051655551055 + 61051655551056.

It is an arithmetic number, because the mean of its divisors is an integer number (61051655551056).

Almost surely, 2^{122103311102111} is an apocalyptic number.

122103311102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122103311102111 is an equidigital number, since it uses as much as digits as its factorization.

122103311102111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 122103311102111 its reverse (111201113301221), we get a palindrome (233304424403332).

The spelling of 122103311102111 in words is "one hundred twenty-two trillion, one hundred three billion, three hundred eleven million, one hundred two thousand, one hundred eleven".