100443220435 has 16 divisors (see below), whose sum is σ = 126528814080. Its totient is φ = 76444477920.

The previous prime is 100443220429. The next prime is 100443220447. The reversal of 100443220435 is 534022344001.

It is a happy number.

It is not a de Polignac number, because 100443220435 - 2⁵ = 100443220403 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5482557 + ... + 5500846.

It is an arithmetic number, because the mean of its divisors is an integer number (7908050880).

Almost surely, 2^100443220435 is an apocalyptic number.

100443220435 is a deficient number, since it is larger than the sum of its proper divisors (26085593645).

100443220435 is a wasteful number, since it uses less digits than its factorization.

100443220435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10983498.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 100443220435 its reverse (534022344001), we get a palindrome (634465564436).

The spelling of 100443220435 in words is "one hundred billion, four hundred forty-three million, two hundred twenty thousand, four hundred thirty-five".