22121034102200 has 96 divisors (see below), whose sum is σ = 58546420824960. Its totient is φ = 7694272713600.

The previous prime is 22121034102151. The next prime is 22121034102301. The reversal of 22121034102200 is 220143012122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 218536694 + ... + 218637893.

It is an arithmetic number, because the mean of its divisors is an integer number (609858550260).

Almost surely, 2^{22121034102200} is an apocalyptic number.

22121034102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22121034102200 is an abundant number, since it is smaller than the sum of its proper divisors (36425386722760).

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

22121034102200 is a wasteful number, since it uses less digits than its factorization.

22121034102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437174637 (or 437174628 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22121034102200 its reverse (220143012122), we get a palindrome (22341177114322).

The spelling of 22121034102200 in words is "twenty-two trillion, one hundred twenty-one billion, thirty-four million, one hundred two thousand, two hundred".