221220122222099 has 64 divisors (see below), whose sum is σ = 298449229747200. Its totient is φ = 158355316224000.

The previous prime is 221220122222093. The next prime is 221220122222159. The reversal of 221220122222099 is 990222221022122.

221220122222099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221220122222099 - 2⁴ = 221220122222083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221220122222093) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5753579627 + ... + 5753618075.

It is an arithmetic number, because the mean of its divisors is an integer number (4663269214800).

Almost surely, 2^{221220122222099} is an apocalyptic number.

221220122222099 is a deficient number, since it is larger than the sum of its proper divisors (77229107525101).

221220122222099 is a wasteful number, since it uses less digits than its factorization.

221220122222099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65932.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 221220122222099 in words is "two hundred twenty-one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, ninety-nine".