220122121011112 has 32 divisors (see below), whose sum is σ = 423647041168800. Its totient is φ = 107184444769984.

The previous prime is 220122121010993. The next prime is 220122121011113. The reversal of 220122121011112 is 211110121221022.

It is a happy number.

220122121011112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220122121011112.

It is not an unprimeable number, because it can be changed into a prime (220122121011113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179203823 + ... + 2179304830.

It is an arithmetic number, because the mean of its divisors is an integer number (13238970036525).

Almost surely, 2^{220122121011112} is an apocalyptic number.

It is an amenable number.

220122121011112 is a deficient number, since it is larger than the sum of its proper divisors (203524920157688).

220122121011112 is a wasteful number, since it uses less digits than its factorization.

220122121011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358508825 (or 4358508821 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 220122121011112 its reverse (211110121221022), we get a palindrome (431232242232134).

The spelling of 220122121011112 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, eleven thousand, one hundred twelve".