33221221103000 has 64 divisors (see below), whose sum is σ = 88843037025600. Its totient is φ = 11390132947200.

The previous prime is 33221221102987. The next prime is 33221221103003. The reversal of 33221221103000 is 30112212233.

It is a super-2 number, since 2×33221221103000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33221221103003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2372937365 + ... + 2372951364.

It is an arithmetic number, because the mean of its divisors is an integer number (1388172453525).

Almost surely, 2^{33221221103000} is an apocalyptic number.

It is an amenable number.

33221221103000 is an abundant number, since it is smaller than the sum of its proper divisors (55621815922600).

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

33221221103000 is a wasteful number, since it uses less digits than its factorization.

33221221103000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745888757 (or 4745888743 counting only the distinct ones).

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

Adding to 33221221103000 its reverse (30112212233), we get a palindrome (33251333315233).

The spelling of 33221221103000 in words is "thirty-three trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred three thousand".