120122111951 has 2 divisors, whose sum is σ = 120122111952. Its totient is φ = 120122111950.

The previous prime is 120122111933. The next prime is 120122112001. The reversal of 120122111951 is 159111221021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120122111951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120122111951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120122411951) 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, 60061055975 + 60061055976.

It is an arithmetic number, because the mean of its divisors is an integer number (60061055976).

Almost surely, 2^120122111951 is an apocalyptic number.

120122111951 is a deficient number, since it is larger than the sum of its proper divisors (1).

120122111951 is an equidigital number, since it uses as much as digits as its factorization.

120122111951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 26.

Adding to 120122111951 its reverse (159111221021), we get a palindrome (279233332972).

The spelling of 120122111951 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred eleven thousand, nine hundred fifty-one".