120021222019997 has 2 divisors, whose sum is σ = 120021222019998. Its totient is φ = 120021222019996.

The previous prime is 120021222019967. The next prime is 120021222020039. The reversal of 120021222019997 is 799910222120021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115938927040036 + 4082294979961 = 10767494^2 + 2020469^2 .

It is a cyclic number.

It is not a de Polignac number, because 120021222019997 - 2²² = 120021217825693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120021222019967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010611009998 + 60010611009999.

It is an arithmetic number, because the mean of its divisors is an integer number (60010611009999).

Almost surely, 2^{120021222019997} is an apocalyptic number.

It is an amenable number.

120021222019997 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021222019997 is an equidigital number, since it uses as much as digits as its factorization.

120021222019997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 120021222019997 in words is "one hundred twenty trillion, twenty-one billion, two hundred twenty-two million, nineteen thousand, nine hundred ninety-seven".