33213021220010 has 64 divisors (see below), whose sum is σ = 62950704422400. Its totient is φ = 12591946752000.

The previous prime is 33213021220007. The next prime is 33213021220019. The reversal of 33213021220010 is 1002212031233.

It is a super-2 number, since 2×33213021220010² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33213021220019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103826291 + ... + 104145689.

It is an arithmetic number, because the mean of its divisors is an integer number (983604756600).

Almost surely, 2^{33213021220010} is an apocalyptic number.

33213021220010 is a deficient number, since it is larger than the sum of its proper divisors (29737683202390).

33213021220010 is a wasteful number, since it uses less digits than its factorization.

33213021220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323543.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33213021220010 its reverse (1002212031233), we get a palindrome (34215233251243).

The spelling of 33213021220010 in words is "thirty-three trillion, two hundred thirteen billion, twenty-one million, two hundred twenty thousand, ten".