120202200200081 has 2 divisors, whose sum is σ = 120202200200082. Its totient is φ = 120202200200080.

The previous prime is 120202200199979. The next prime is 120202200200171. The reversal of 120202200200081 is 180002002202021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94949725966225 + 25252474233856 = 9744215^2 + 5025184^2 .

It is a cyclic number.

It is not a de Polignac number, because 120202200200081 - 2²² = 120202196005777 is a prime.

It is a super-2 number, since 2×120202200200081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120202200200281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101100100040 + 60101100100041.

It is an arithmetic number, because the mean of its divisors is an integer number (60101100100041).

Almost surely, 2^{120202200200081} is an apocalyptic number.

It is an amenable number.

120202200200081 is a deficient number, since it is larger than the sum of its proper divisors (1).

120202200200081 is an equidigital number, since it uses as much as digits as its factorization.

120202200200081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

The spelling of 120202200200081 in words is "one hundred twenty trillion, two hundred two billion, two hundred million, two hundred thousand, eighty-one".