221200012221022 has 32 divisors (see below), whose sum is σ = 353445671797920. Its totient is φ = 103464147624960.

The previous prime is 221200012220989. The next prime is 221200012221079. The reversal of 221200012221022 is 220122210002122.

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, 4501872 + ... + 21509692.

It is an arithmetic number, because the mean of its divisors is an integer number (11045177243685).

Almost surely, 2^{221200012221022} is an apocalyptic number.

221200012221022 is a deficient number, since it is larger than the sum of its proper divisors (132245659576898).

221200012221022 is a wasteful number, since it uses less digits than its factorization.

221200012221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17010156.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221200012221022 its reverse (220122210002122), we get a palindrome (441322222223144).

The spelling of 221200012221022 in words is "two hundred twenty-one trillion, two hundred billion, twelve million, two hundred twenty-one thousand, twenty-two".