22001122102220 has 24 divisors (see below), whose sum is σ = 46202458110144. Its totient is φ = 8800429470336.

The previous prime is 22001122102181. The next prime is 22001122102237. The reversal of 22001122102220 is 2220122110022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11211869 + ... + 13027211.

It is an arithmetic number, because the mean of its divisors is an integer number (1925102421256).

Almost surely, 2^{22001122102220} is an apocalyptic number.

22001122102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001122102220 is an abundant number, since it is smaller than the sum of its proper divisors (24201336007924).

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

22001122102220 is a wasteful number, since it uses less digits than its factorization.

22001122102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421329 (or 2421327 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22001122102220 its reverse (2220122110022), we get a palindrome (24221244212242).

The spelling of 22001122102220 in words is "twenty-two trillion, one billion, one hundred twenty-two million, one hundred two thousand, two hundred twenty".