22001102112220 has 48 divisors (see below), whose sum is σ = 57602885534208. Its totient is φ = 6857486372160.

The previous prime is 22001102112181. The next prime is 22001102112233. The reversal of 22001102112220 is 2221120110022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22001102112194 and 22001102112203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7143213432 + ... + 7143216511.

It is an arithmetic number, because the mean of its divisors is an integer number (1200060115296).

Almost surely, 2^{22001102112220} is an apocalyptic number.

22001102112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001102112220 is an abundant number, since it is smaller than the sum of its proper divisors (35601783421988).

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

22001102112220 is a wasteful number, since it uses less digits than its factorization.

22001102112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14286429970 (or 14286429968 counting only the distinct ones).

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

Adding to 22001102112220 its reverse (2221120110022), we get a palindrome (24222222222242).

The spelling of 22001102112220 in words is "twenty-two trillion, one billion, one hundred two million, one hundred twelve thousand, two hundred twenty".