22102202221100 has 54 divisors (see below), whose sum is σ = 48095777274804. Its totient is φ = 8816249338400.

The previous prime is 22102202221091. The next prime is 22102202221163. The reversal of 22102202221100 is 112220220122.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12030635 + ... + 13745565.

It is an arithmetic number, because the mean of its divisors is an integer number (890662542126).

Almost surely, 2^{22102202221100} is an apocalyptic number.

22102202221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102202221100 is an abundant number, since it is smaller than the sum of its proper divisors (25993575053704).

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

22102202221100 is a wasteful number, since it uses less digits than its factorization.

22102202221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715663 (or 1715297 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22102202221100 its reverse (112220220122), we get a palindrome (22214422441222).

The spelling of 22102202221100 in words is "twenty-two trillion, one hundred two billion, two hundred two million, two hundred twenty-one thousand, one hundred".