221011222110122 has 16 divisors (see below), whose sum is σ = 340855755778944. Its totient is φ = 107412528060000.

The previous prime is 221011222110113. The next prime is 221011222110143.

221011222110122 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221011222110094 and 221011222110103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4972780004 + ... + 4972824447.

It is an arithmetic number, because the mean of its divisors is an integer number (21303484736184).

Almost surely, 2^{221011222110122} is an apocalyptic number.

221011222110122 is a deficient number, since it is larger than the sum of its proper divisors (119844533668822).

221011222110122 is a wasteful number, since it uses less digits than its factorization.

221011222110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9945604765.

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 221011222110122 in words is "two hundred twenty-one trillion, eleven billion, two hundred twenty-two million, one hundred ten thousand, one hundred twenty-two".