220121200012097 has 2 divisors, whose sum is σ = 220121200012098. Its totient is φ = 220121200012096.

The previous prime is 220121200011953. The next prime is 220121200012141. The reversal of 220121200012097 is 790210002121022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208648895859856 + 11472304152241 = 14444684^2 + 3387079^2 .

It is a cyclic number.

It is not a de Polignac number, because 220121200012097 - 2⁸ = 220121200011841 is a prime.

It is a super-2 number, since 2×220121200012097² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220121200012397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110060600006048 + 110060600006049.

It is an arithmetic number, because the mean of its divisors is an integer number (110060600006049).

Almost surely, 2^{220121200012097} is an apocalyptic number.

It is an amenable number.

220121200012097 is a deficient number, since it is larger than the sum of its proper divisors (1).

220121200012097 is an equidigital number, since it uses as much as digits as its factorization.

220121200012097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 220121200012097 in words is "two hundred twenty trillion, one hundred twenty-one billion, two hundred million, twelve thousand, ninety-seven".