221120010122 has 16 divisors (see below), whose sum is σ = 361940202144. Its totient is φ = 100479246000.

The previous prime is 221120010119. The next prime is 221120010151. The reversal of 221120010122 is 221010021122.

It is a junction number, because it is equal to n+sod(n) for n = 221120010097 and 221120010106.

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, 1416629 + ... + 1564952.

It is an arithmetic number, because the mean of its divisors is an integer number (22621262634).

Almost surely, 2^221120010122 is an apocalyptic number.

221120010122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221120010122 is a deficient number, since it is larger than the sum of its proper divisors (140820192022).

221120010122 is a wasteful number, since it uses less digits than its factorization.

221120010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984965.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221120010122 its reverse (221010021122), we get a palindrome (442130031244).

The spelling of 221120010122 in words is "two hundred twenty-one billion, one hundred twenty million, ten thousand, one hundred twenty-two".