210221010022 has 64 divisors (see below), whose sum is σ = 350769792384. Its totient is φ = 93983662080.

The previous prime is 210221010019. The next prime is 210221010023. The reversal of 210221010022 is 220010122012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210221009984 and 210221010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210221010023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159137122 + ... + 159138442.

It is an arithmetic number, because the mean of its divisors is an integer number (5480778006).

Almost surely, 2^210221010022 is an apocalyptic number.

210221010022 is a deficient number, since it is larger than the sum of its proper divisors (140548782362).

210221010022 is a wasteful number, since it uses less digits than its factorization.

210221010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210221010022 its reverse (220010122012), we get a palindrome (430231132034).

The spelling of 210221010022 in words is "two hundred ten billion, two hundred twenty-one million, ten thousand, twenty-two".