200221220179 has 2 divisors, whose sum is σ = 200221220180. Its totient is φ = 200221220178.

The previous prime is 200221220153. The next prime is 200221220239. The reversal of 200221220179 is 971022122002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200221220179 - 2¹³ = 200221211987 is a prime.

It is not a weakly prime, because it can be changed into another prime (200221220119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110610089 + 100110610090.

It is an arithmetic number, because the mean of its divisors is an integer number (100110610090).

Almost surely, 2^200221220179 is an apocalyptic number.

200221220179 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221220179 is an equidigital number, since it uses as much as digits as its factorization.

200221220179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 200221220179 in words is "two hundred billion, two hundred twenty-one million, two hundred twenty thousand, one hundred seventy-nine".