122010001081 has 2 divisors, whose sum is σ = 122010001082. Its totient is φ = 122010001080.

The previous prime is 122010001067. The next prime is 122010001109. The reversal of 122010001081 is 180100010221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119563808400 + 2446192681 = 345780^2 + 49459^2 .

It is a cyclic number.

It is not a de Polignac number, because 122010001081 - 2²⁷ = 121875783353 is a prime.

It is a super-2 number, since 2×122010001081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122010005081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005000540 + 61005000541.

It is an arithmetic number, because the mean of its divisors is an integer number (61005000541).

Almost surely, 2^122010001081 is an apocalyptic number.

It is an amenable number.

122010001081 is a deficient number, since it is larger than the sum of its proper divisors (1).

122010001081 is an equidigital number, since it uses as much as digits as its factorization.

122010001081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

The spelling of 122010001081 in words is "one hundred twenty-two billion, ten million, one thousand, eighty-one".