220001234213797 has 2 divisors, whose sum is σ = 220001234213798. Its totient is φ = 220001234213796.

The previous prime is 220001234213777. The next prime is 220001234213857. The reversal of 220001234213797 is 797312432100022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219186810991681 + 814423222116 = 14804959^2 + 902454^2 .

It is a cyclic number.

It is not a de Polignac number, because 220001234213797 - 2⁴³ = 211205141191589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220001234213707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000617106898 + 110000617106899.

It is an arithmetic number, because the mean of its divisors is an integer number (110000617106899).

Almost surely, 2^{220001234213797} is an apocalyptic number.

It is an amenable number.

220001234213797 is a deficient number, since it is larger than the sum of its proper divisors (1).

220001234213797 is an equidigital number, since it uses as much as digits as its factorization.

220001234213797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 220001234213797 in words is "two hundred twenty trillion, one billion, two hundred thirty-four million, two hundred thirteen thousand, seven hundred ninety-seven".