22102021311100 has 36 divisors (see below), whose sum is σ = 49615227156600. Its totient is φ = 8535953056960.

The previous prime is 22102021311079. The next prime is 22102021311289. The reversal of 22102021311100 is 111312020122.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 3810690430 + ... + 3810696229.

It is an arithmetic number, because the mean of its divisors is an integer number (1378200754350).

Almost surely, 2^{22102021311100} is an apocalyptic number.

22102021311100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102021311100 is an abundant number, since it is smaller than the sum of its proper divisors (27513205845500).

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

22102021311100 is a wasteful number, since it uses less digits than its factorization.

22102021311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621386702 (or 7621386695 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22102021311100 its reverse (111312020122), we get a palindrome (22213333331222).

The spelling of 22102021311100 in words is "twenty-two trillion, one hundred two billion, twenty-one million, three hundred eleven thousand, one hundred".