122101102001111 has 2 divisors, whose sum is σ = 122101102001112. Its totient is φ = 122101102001110.

The previous prime is 122101102001101. The next prime is 122101102001147. The reversal of 122101102001111 is 111100201101221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122101102001111 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122101102001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050551000555 + 61050551000556.

It is an arithmetic number, because the mean of its divisors is an integer number (61050551000556).

Almost surely, 2^{122101102001111} is an apocalyptic number.

122101102001111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122101102001111 is an equidigital number, since it uses as much as digits as its factorization.

122101102001111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 122101102001111 its reverse (111100201101221), we get a palindrome (233201303102332).

The spelling of 122101102001111 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred two million, one thousand, one hundred eleven".