120220219997 has 2 divisors, whose sum is σ = 120220219998. Its totient is φ = 120220219996.

The previous prime is 120220219979. The next prime is 120220220011. The reversal of 120220219997 is 799912022021.

It is a happy number.

Together with previous prime (120220219979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83378872516 + 36841347481 = 288754^2 + 191941^2 .

It is a cyclic number.

It is not a de Polignac number, because 120220219997 - 2²⁰ = 120219171421 is a prime.

It is a super-2 number, since 2×120220219997² (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 (120220219927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110109998 + 60110109999.

It is an arithmetic number, because the mean of its divisors is an integer number (60110109999).

Almost surely, 2^120220219997 is an apocalyptic number.

It is an amenable number.

120220219997 is a deficient number, since it is larger than the sum of its proper divisors (1).

120220219997 is an equidigital number, since it uses as much as digits as its factorization.

120220219997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 120220219997 in words is "one hundred twenty billion, two hundred twenty million, two hundred nineteen thousand, nine hundred ninety-seven".