120002210221997 has 2 divisors, whose sum is σ = 120002210221998. Its totient is φ = 120002210221996.

The previous prime is 120002210221979. The next prime is 120002210222003. The reversal of 120002210221997 is 799122012200021.

Together with previous prime (120002210221979) 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., 60045358223236 + 59956851998761 = 7748894^2 + 7743181^2 .

It is a cyclic number.

It is not a de Polignac number, because 120002210221997 - 2²⁴ = 120002193444781 is a prime.

It is a super-2 number, since 2×120002210221997² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120002210221997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120002210221937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60001105110998 + 60001105110999.

It is an arithmetic number, because the mean of its divisors is an integer number (60001105110999).

Almost surely, 2^{120002210221997} is an apocalyptic number.

It is an amenable number.

120002210221997 is a deficient number, since it is larger than the sum of its proper divisors (1).

120002210221997 is an equidigital number, since it uses as much as digits as its factorization.

120002210221997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 120002210221997 in words is "one hundred twenty trillion, two billion, two hundred ten million, two hundred twenty-one thousand, nine hundred ninety-seven".