221120222112010 has 32 divisors (see below), whose sum is σ = 442459918397952. Its totient is φ = 79010699711040.

The previous prime is 221120222111969. The next prime is 221120222112037. The reversal of 221120222112010 is 10211222021122.

It is a super-2 number, since 2×221120222112010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27434266704 + ... + 27434274763.

It is an arithmetic number, because the mean of its divisors is an integer number (13826872449936).

Almost surely, 2^{221120222112010} is an apocalyptic number.

221120222112010 is an abundant number, since it is smaller than the sum of its proper divisors (221339696285942).

221120222112010 is a wasteful number, since it uses less digits than its factorization.

221120222112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54868541518.

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

Adding to 221120222112010 its reverse (10211222021122), we get a palindrome (231331444133132).

The spelling of 221120222112010 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twelve thousand, ten".