33103220100 has 36 divisors (see below), whose sum is σ = 95778651024. Its totient is φ = 8827525280.

The previous prime is 33103220099. The next prime is 33103220107. The reversal of 33103220100 is 102230133.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 33103220100.

It is not an unprimeable number, because it can be changed into a prime (33103220107) by changing a digit.

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, 55171734 + ... + 55172333.

It is an arithmetic number, because the mean of its divisors is an integer number (2660518084).

Almost surely, 2^33103220100 is an apocalyptic number.

33103220100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33103220100 is an abundant number, since it is smaller than the sum of its proper divisors (62675430924).

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

33103220100 is a wasteful number, since it uses less digits than its factorization.

33103220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110344084 (or 110344077 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 33103220100 its reverse (102230133), we get a palindrome (33205450233).

The spelling of 33103220100 in words is "thirty-three billion, one hundred three million, two hundred twenty thousand, one hundred".