221010112220122 has 16 divisors (see below), whose sum is σ = 342966739464360. Its totient is φ = 106688310478848.

The previous prime is 221010112220059. The next prime is 221010112220159. The reversal of 221010112220122 is 221022211010122.

221010112220122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 50583118576761 + 170426993643361 = 7112181^2 + 13054769^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 221010112220122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110184183 + ... + 112172074.

Almost surely, 2^{221010112220122} is an apocalyptic number.

221010112220122 is a deficient number, since it is larger than the sum of its proper divisors (121956627244238).

221010112220122 is a wasteful number, since it uses less digits than its factorization.

221010112220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222373425.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221010112220122 its reverse (221022211010122), we get a palindrome (442032323230244).

The spelling of 221010112220122 in words is "two hundred twenty-one trillion, ten billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty-two".