20221102200100 has 72 divisors (see below), whose sum is σ = 45186242423168. Its totient is φ = 7850016720000.

The previous prime is 20221102200053. The next prime is 20221102200109. The reversal of 20221102200100 is 100220112202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20221102200109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14301276 + ... + 15651475.

Almost surely, 2^{20221102200100} is an apocalyptic number.

20221102200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221102200100 is an abundant number, since it is smaller than the sum of its proper divisors (24965140223068).

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

20221102200100 is a wasteful number, since it uses less digits than its factorization.

20221102200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29952965 (or 29952958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20221102200100 its reverse (100220112202), we get a palindrome (20321322312302).

The spelling of 20221102200100 in words is "twenty trillion, two hundred twenty-one billion, one hundred two million, two hundred thousand, one hundred".