100122211061 has 2 divisors, whose sum is σ = 100122211062. Its totient is φ = 100122211060.

The previous prime is 100122211039. The next prime is 100122211067. The reversal of 100122211061 is 160112221001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98536976836 + 1585234225 = 313906^2 + 39815^2 .

It is a cyclic number.

It is not a de Polignac number, because 100122211061 - 2³⁰ = 99048469237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100122211067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061105530 + 50061105531.

It is an arithmetic number, because the mean of its divisors is an integer number (50061105531).

Almost surely, 2^100122211061 is an apocalyptic number.

It is an amenable number.

100122211061 is a deficient number, since it is larger than the sum of its proper divisors (1).

100122211061 is an equidigital number, since it uses as much as digits as its factorization.

100122211061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 100122211061 its reverse (160112221001), we get a palindrome (260234432062).

The spelling of 100122211061 in words is "one hundred billion, one hundred twenty-two million, two hundred eleven thousand, sixty-one".