33320221101 has 32 divisors (see below), whose sum is σ = 50900814720. Its totient is φ = 21531699072.

The previous prime is 33320221073. The next prime is 33320221127. The reversal of 33320221101 is 10112202333.

It is not a de Polignac number, because 33320221101 - 2⁶ = 33320221037 is a prime.

It is a super-2 number, since 2×33320221101² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33320221201) 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 31 ways as a sum of consecutive naturals, for example, 21496 + ... + 259041.

It is an arithmetic number, because the mean of its divisors is an integer number (1590650460).

Almost surely, 2^33320221101 is an apocalyptic number.

It is an amenable number.

33320221101 is a deficient number, since it is larger than the sum of its proper divisors (17580593619).

33320221101 is a wasteful number, since it uses less digits than its factorization.

33320221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280682 (or 280676 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 33320221101 its reverse (10112202333), we get a palindrome (43432423434).

The spelling of 33320221101 in words is "thirty-three billion, three hundred twenty million, two hundred twenty-one thousand, one hundred one".