221000201122022 has 32 divisors (see below), whose sum is σ = 399281921241600. Its totient is φ = 89620377654528.

The previous prime is 221000201122013. The next prime is 221000201122123. The reversal of 221000201122022 is 220221102000122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504536747 + ... + 504974582.

It is an arithmetic number, because the mean of its divisors is an integer number (12477560038800).

Almost surely, 2^{221000201122022} is an apocalyptic number.

221000201122022 is a deficient number, since it is larger than the sum of its proper divisors (178281720119578).

221000201122022 is a wasteful number, since it uses less digits than its factorization.

221000201122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009512180.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221000201122022 its reverse (220221102000122), we get a palindrome (441221303122144).

The spelling of 221000201122022 in words is "two hundred twenty-one trillion, two hundred one million, one hundred twenty-two thousand, twenty-two".