120120122021111 has 2 divisors, whose sum is σ = 120120122021112. Its totient is φ = 120120122021110.

The previous prime is 120120122021093. The next prime is 120120122021171. The reversal of 120120122021111 is 111120221021021.

It is a weak prime.

It is an emirp because it is prime and its reverse (111120221021021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120120122021111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120120122021111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120120122021171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060061010555 + 60060061010556.

It is an arithmetic number, because the mean of its divisors is an integer number (60060061010556).

Almost surely, 2^{120120122021111} is an apocalyptic number.

120120122021111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120120122021111 is an equidigital number, since it uses as much as digits as its factorization.

120120122021111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120120122021111 its reverse (111120221021021), we get a palindrome (231240343042132).

The spelling of 120120122021111 in words is "one hundred twenty trillion, one hundred twenty billion, one hundred twenty-two million, twenty-one thousand, one hundred eleven".