200221021079 has 2 divisors, whose sum is σ = 200221021080. Its totient is φ = 200221021078.

The previous prime is 200221021073. The next prime is 200221021103. The reversal of 200221021079 is 970120122002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200221021079 - 2²⁰ = 200219972503 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200221021073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110510539 + 100110510540.

It is an arithmetic number, because the mean of its divisors is an integer number (100110510540).

Almost surely, 2^200221021079 is an apocalyptic number.

200221021079 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221021079 is an equidigital number, since it uses as much as digits as its factorization.

200221021079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 200221021079 in words is "two hundred billion, two hundred twenty-one million, twenty-one thousand, seventy-nine".