22120201110220 has 24 divisors (see below), whose sum is σ = 46452696507504. Its totient is φ = 8848028220096.

The previous prime is 22120201110143. The next prime is 22120201110233. The reversal of 22120201110220 is 2201110202122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22120201110194 and 22120201110203.

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, 304374 + ... + 6658306.

It is an arithmetic number, because the mean of its divisors is an integer number (1935529021146).

Almost surely, 2^{22120201110220} is an apocalyptic number.

22120201110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120201110220 is an abundant number, since it is smaller than the sum of its proper divisors (24332495397284).

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

22120201110220 is a wasteful number, since it uses less digits than its factorization.

22120201110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528009 (or 6528007 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22120201110220 its reverse (2201110202122), we get a palindrome (24321311312342).

The spelling of 22120201110220 in words is "twenty-two trillion, one hundred twenty billion, two hundred one million, one hundred ten thousand, two hundred twenty".