22122201110100 has 288 divisors, whose sum is σ = 80906856796416. Its totient is φ = 4541391360000.

The previous prime is 22122201110099. The next prime is 22122201110117. The reversal of 22122201110100 is 101110222122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22122201110100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9940401 + ... + 11960600.

Almost surely, 2^{22122201110100} is an apocalyptic number.

22122201110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122201110100 is an abundant number, since it is smaller than the sum of its proper divisors (58784655686316).

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

22122201110100 is a wasteful number, since it uses less digits than its factorization.

22122201110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21901075 (or 21901068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22122201110100 its reverse (101110222122), we get a palindrome (22223311332222).

The spelling of 22122201110100 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred one million, one hundred ten thousand, one hundred".