221002010110122 has 64 divisors (see below), whose sum is σ = 465989664666240. Its totient is φ = 69681803040000.

The previous prime is 221002010110111. The next prime is 221002010110171. The reversal of 221002010110122 is 221011010200122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449401372 + ... + 449892872.

It is an arithmetic number, because the mean of its divisors is an integer number (7281088510410).

Almost surely, 2^{221002010110122} is an apocalyptic number.

221002010110122 is an abundant number, since it is smaller than the sum of its proper divisors (244987654556118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221002010110122 is a wasteful number, since it uses less digits than its factorization.

221002010110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497639.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221002010110122 its reverse (221011010200122), we get a palindrome (442013020310244).

The spelling of 221002010110122 in words is "two hundred twenty-one trillion, two billion, ten million, one hundred ten thousand, one hundred twenty-two".