22101120112220 has 48 divisors (see below), whose sum is σ = 46710415008768. Its totient is φ = 8783705136960.

The previous prime is 22101120112207. The next prime is 22101120112283. The reversal of 22101120112220 is 2221102110122.

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, 10480397 + ... + 12411323.

It is an arithmetic number, because the mean of its divisors is an integer number (973133646016).

Almost surely, 2^{22101120112220} is an apocalyptic number.

22101120112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101120112220 is an abundant number, since it is smaller than the sum of its proper divisors (24609294896548).

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

22101120112220 is a wasteful number, since it uses less digits than its factorization.

22101120112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934610 (or 1934608 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22101120112220 its reverse (2221102110122), we get a palindrome (24322222222342).

The spelling of 22101120112220 in words is "twenty-two trillion, one hundred one billion, one hundred twenty million, one hundred twelve thousand, two hundred twenty".