100443320100 has 108 divisors (see below), whose sum is σ = 324990032640. Its totient is φ = 25920849600.

The previous prime is 100443320059. The next prime is 100443320101. The reversal of 100443320100 is 1023344001.

100443320100 is a `hidden beast` number, since 100 + 443 + 3 + 20 + 100 = 666.

It is a super-2 number, since 2×100443320100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100443320101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1772160 + ... + 1827959.

Almost surely, 2^100443320100 is an apocalyptic number.

100443320100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100443320100 is an abundant number, since it is smaller than the sum of its proper divisors (224546712540).

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

100443320100 is a wasteful number, since it uses less digits than its factorization.

100443320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600170 (or 3600160 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 100443320100 its reverse (1023344001), we get a palindrome (101466664101).

The spelling of 100443320100 in words is "one hundred billion, four hundred forty-three million, three hundred twenty thousand, one hundred".