33212201112021 has 16 divisors (see below), whose sum is σ = 45950978557440. Its totient is φ = 21321950265840.

The previous prime is 33212201111959. The next prime is 33212201112029. The reversal of 33212201112021 is 12021110221233.

It is not a de Polignac number, because 33212201112021 - 2¹⁰ = 33212201110997 is a prime.

It is a super-2 number, since 2×33212201112021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33212201112029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1813081851 + ... + 1813100168.

It is an arithmetic number, because the mean of its divisors is an integer number (2871936159840).

Almost surely, 2^{33212201112021} is an apocalyptic number.

It is an amenable number.

33212201112021 is a deficient number, since it is larger than the sum of its proper divisors (12738777445419).

33212201112021 is a wasteful number, since it uses less digits than its factorization.

33212201112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626182136.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 33212201112021 its reverse (12021110221233), we get a palindrome (45233311333254).

The spelling of 33212201112021 in words is "thirty-three trillion, two hundred twelve billion, two hundred one million, one hundred twelve thousand, twenty-one".