210220221020211 has 6 divisors (see below), whose sum is σ = 303651430362540. Its totient is φ = 140146814013468.

The previous prime is 210220221020197. The next prime is 210220221020279. The reversal of 210220221020211 is 112020122022012.

It is a happy number.

210220221020211 is a `hidden beast` number, since 2 + 1 + 0 + 220 + 2 + 210 + 20 + 211 = 666.

It is not a de Polignac number, because 210220221020211 - 2⁷ = 210220221020083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210220221020111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11678901167781 + ... + 11678901167798.

It is an arithmetic number, because the mean of its divisors is an integer number (50608571727090).

Almost surely, 2^{210220221020211} is an apocalyptic number.

210220221020211 is a deficient number, since it is larger than the sum of its proper divisors (93431209342329).

210220221020211 is a wasteful number, since it uses less digits than its factorization.

210220221020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23357802335585 (or 23357802335582 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210220221020211 its reverse (112020122022012), we get a palindrome (322240343042223).

The spelling of 210220221020211 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-one million, twenty thousand, two hundred eleven".