121022200100111 has 2 divisors, whose sum is σ = 121022200100112. Its totient is φ = 121022200100110.

The previous prime is 121022200100063. The next prime is 121022200100129. The reversal of 121022200100111 is 111001002220121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121022200100111 - 2²⁶ = 121022132991247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121022200700111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511100050055 + 60511100050056.

It is an arithmetic number, because the mean of its divisors is an integer number (60511100050056).

Almost surely, 2^{121022200100111} is an apocalyptic number.

121022200100111 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022200100111 is an equidigital number, since it uses as much as digits as its factorization.

121022200100111 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 14.

Adding to 121022200100111 its reverse (111001002220121), we get a palindrome (232023202320232).

The spelling of 121022200100111 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred million, one hundred thousand, one hundred eleven".