220795141421 has 2 divisors, whose sum is σ = 220795141422. Its totient is φ = 220795141420.

The previous prime is 220795141417. The next prime is 220795141439. The reversal of 220795141421 is 124141597022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218592716521 + 2202424900 = 467539^2 + 46930^2 .

It is a cyclic number.

It is not a de Polignac number, because 220795141421 - 2² = 220795141417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220795141621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110397570710 + 110397570711.

It is an arithmetic number, because the mean of its divisors is an integer number (110397570711).

Almost surely, 2^220795141421 is an apocalyptic number.

It is an amenable number.

220795141421 is a deficient number, since it is larger than the sum of its proper divisors (1).

220795141421 is an equidigital number, since it uses as much as digits as its factorization.

220795141421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 220795141421 in words is "two hundred twenty billion, seven hundred ninety-five million, one hundred forty-one thousand, four hundred twenty-one".