220221102201071 has 2 divisors, whose sum is σ = 220221102201072. Its totient is φ = 220221102201070.

The previous prime is 220221102201047. The next prime is 220221102201167. The reversal of 220221102201071 is 170102201122022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220221102201071 - 2³⁸ = 219946224294127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220221102201041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110551100535 + 110110551100536.

It is an arithmetic number, because the mean of its divisors is an integer number (110110551100536).

Almost surely, 2^{220221102201071} is an apocalyptic number.

220221102201071 is a deficient number, since it is larger than the sum of its proper divisors (1).

220221102201071 is an equidigital number, since it uses as much as digits as its factorization.

220221102201071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 220221102201071 its reverse (170102201122022), we get a palindrome (390323303323093).

The spelling of 220221102201071 in words is "two hundred twenty trillion, two hundred twenty-one billion, one hundred two million, two hundred one thousand, seventy-one".