122000200081 has 2 divisors, whose sum is σ = 122000200082. Its totient is φ = 122000200080.

The previous prime is 122000200057. The next prime is 122000200093. The reversal of 122000200081 is 180002000221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108916500625 + 13083699456 = 330025^2 + 114384^2 .

It is a cyclic number.

It is not a de Polignac number, because 122000200081 - 2²¹ = 121998102929 is a prime.

It is a super-2 number, since 2×122000200081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122000200031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000100040 + 61000100041.

It is an arithmetic number, because the mean of its divisors is an integer number (61000100041).

Almost surely, 2^122000200081 is an apocalyptic number.

It is an amenable number.

122000200081 is a deficient number, since it is larger than the sum of its proper divisors (1).

122000200081 is an equidigital number, since it uses as much as digits as its factorization.

122000200081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

The spelling of 122000200081 in words is "one hundred twenty-two billion, two hundred thousand, eighty-one".