111120122301961 has 2 divisors, whose sum is σ = 111120122301962. Its totient is φ = 111120122301960.

The previous prime is 111120122301917. The next prime is 111120122302027. The reversal of 111120122301961 is 169103221021111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78933789411961 + 32186332890000 = 8884469^2 + 5673300^2 .

It is a cyclic number.

It is not a de Polignac number, because 111120122301961 - 2⁷ = 111120122301833 is a prime.

It is not a weakly prime, because it can be changed into another prime (111120122301761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560061150980 + 55560061150981.

It is an arithmetic number, because the mean of its divisors is an integer number (55560061150981).

Almost surely, 2^{111120122301961} is an apocalyptic number.

It is an amenable number.

111120122301961 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120122301961 is an equidigital number, since it uses as much as digits as its factorization.

111120122301961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 111120122301961 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twenty-two million, three hundred one thousand, nine hundred sixty-one".