33303220221000 has 128 divisors (see below), whose sum is σ = 106714318988160. Its totient is φ = 8640835488000.

The previous prime is 33303220220993. The next prime is 33303220221013. The reversal of 33303220221000 is 12202230333.

It is a super-2 number, since 2×33303220221000² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149903506 + ... + 150125505.

It is an arithmetic number, because the mean of its divisors is an integer number (833705617095).

Almost surely, 2^{33303220221000} is an apocalyptic number.

33303220221000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33303220221000 is an abundant number, since it is smaller than the sum of its proper divisors (73411098767160).

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

33303220221000 is a wasteful number, since it uses less digits than its factorization.

33303220221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300029072 (or 300029058 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 33303220221000 its reverse (12202230333), we get a palindrome (33315422451333).

The spelling of 33303220221000 in words is "thirty-three trillion, three hundred three billion, two hundred twenty million, two hundred twenty-one thousand".