122011200061 has 2 divisors, whose sum is σ = 122011200062. Its totient is φ = 122011200060.

The previous prime is 122011200043. The next prime is 122011200151. The reversal of 122011200061 is 160002110221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113910300036 + 8100900025 = 337506^2 + 90005^2 .

It is a cyclic number.

It is not a de Polignac number, because 122011200061 - 2²¹ = 122009102909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122011200041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005600030 + 61005600031.

It is an arithmetic number, because the mean of its divisors is an integer number (61005600031).

Almost surely, 2^122011200061 is an apocalyptic number.

It is an amenable number.

122011200061 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011200061 is an equidigital number, since it uses as much as digits as its factorization.

122011200061 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 16.

Adding to 122011200061 its reverse (160002110221), we get a palindrome (282013310282).

The spelling of 122011200061 in words is "one hundred twenty-two billion, eleven million, two hundred thousand, sixty-one".