120203222981 has 2 divisors, whose sum is σ = 120203222982. Its totient is φ = 120203222980.

The previous prime is 120203222977. The next prime is 120203223043. The reversal of 120203222981 is 189222302021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117951720481 + 2251502500 = 343441^2 + 47450^2 .

It is a cyclic number.

It is not a de Polignac number, because 120203222981 - 2² = 120203222977 is a prime.

It is a super-2 number, since 2×120203222981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120203222911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101611490 + 60101611491.

It is an arithmetic number, because the mean of its divisors is an integer number (60101611491).

Almost surely, 2^120203222981 is an apocalyptic number.

It is an amenable number.

120203222981 is a deficient number, since it is larger than the sum of its proper divisors (1).

120203222981 is an equidigital number, since it uses as much as digits as its factorization.

120203222981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 120203222981 in words is "one hundred twenty billion, two hundred three million, two hundred twenty-two thousand, nine hundred eighty-one".