120122111020111 has 2 divisors, whose sum is σ = 120122111020112. Its totient is φ = 120122111020110.

The previous prime is 120122111020097. The next prime is 120122111020117. The reversal of 120122111020111 is 111020111221021.

It is a strong prime.

It is an emirp because it is prime and its reverse (111020111221021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120122111020111 - 2⁴³ = 111326017997903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120122111020117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061055510055 + 60061055510056.

It is an arithmetic number, because the mean of its divisors is an integer number (60061055510056).

Almost surely, 2^{120122111020111} is an apocalyptic number.

120122111020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120122111020111 is an equidigital number, since it uses as much as digits as its factorization.

120122111020111 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 120122111020111 its reverse (111020111221021), we get a palindrome (231142222241132).

The spelling of 120122111020111 in words is "one hundred twenty trillion, one hundred twenty-two billion, one hundred eleven million, twenty thousand, one hundred eleven".