22002112011220 has 24 divisors (see below), whose sum is σ = 50404838426208. Its totient is φ = 8000768004000.

The previous prime is 22002112011199. The next prime is 22002112011239. The reversal of 22002112011220 is 2211021120022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22002112011194 and 22002112011203.

It is a congruent 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, 50004799806 + ... + 50004800245.

It is an arithmetic number, because the mean of its divisors is an integer number (2100201601092).

Almost surely, 2^{22002112011220} is an apocalyptic number.

22002112011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002112011220 is an abundant number, since it is smaller than the sum of its proper divisors (28402726414988).

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

22002112011220 is a wasteful number, since it uses less digits than its factorization.

22002112011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100009600071 (or 100009600069 counting only the distinct ones).

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

Adding to 22002112011220 its reverse (2211021120022), we get a palindrome (24213133131242).

The spelling of 22002112011220 in words is "twenty-two trillion, two billion, one hundred twelve million, eleven thousand, two hundred twenty".