33021220020231 has 8 divisors (see below), whose sum is σ = 44037146847600. Its totient is φ = 22009719936512.

The previous prime is 33021220020211. The next prime is 33021220020307. The reversal of 33021220020231 is 13202002212033.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33021220020231 - 2⁹ = 33021220019719 is a prime.

It is a super-2 number, since 2×33021220020231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33021220020198 and 33021220020207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33021220020211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106668506 + ... + 1106698343.

It is an arithmetic number, because the mean of its divisors is an integer number (5504643355950).

Almost surely, 2^{33021220020231} is an apocalyptic number.

33021220020231 is a deficient number, since it is larger than the sum of its proper divisors (11015926827369).

33021220020231 is a wasteful number, since it uses less digits than its factorization.

33021220020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213371825.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 33021220020231 its reverse (13202002212033), we get a palindrome (46223222232264).

The spelling of 33021220020231 in words is "thirty-three trillion, twenty-one billion, two hundred twenty million, twenty thousand, two hundred thirty-one".