22200121232200 has 96 divisors (see below), whose sum is σ = 53425090843200. Its totient is φ = 8569027272960.

The previous prime is 22200121232183. The next prime is 22200121232213. The reversal of 22200121232200 is 223212100222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9268039 + ... + 11414761.

It is an arithmetic number, because the mean of its divisors is an integer number (556511362950).

Almost surely, 2^{22200121232200} is an apocalyptic number.

22200121232200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22200121232200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26712545421600).

22200121232200 is an abundant number, since it is smaller than the sum of its proper divisors (31224969611000).

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

22200121232200 is a wasteful number, since it uses less digits than its factorization.

22200121232200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148551 (or 2148542 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22200121232200 its reverse (223212100222), we get a palindrome (22423333332422).

The spelling of 22200121232200 in words is "twenty-two trillion, two hundred billion, one hundred twenty-one million, two hundred thirty-two thousand, two hundred".