33021222221010 has 64 divisors (see below), whose sum is σ = 83916827501184. Its totient is φ = 8287276876800.

The previous prime is 33021222220939. The next prime is 33021222221023. The reversal of 33021222221010 is 1012222212033.

It is a super-2 number, since 2×33021222221010² (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, 9011200 + ... + 12134420.

It is an arithmetic number, because the mean of its divisors is an integer number (1311200429706).

Almost surely, 2^{33021222221010} is an apocalyptic number.

33021222221010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33021222221010 is an abundant number, since it is smaller than the sum of its proper divisors (50895605280174).

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

33021222221010 is a wasteful number, since it uses less digits than its factorization.

33021222221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143979.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 33021222221010 its reverse (1012222212033), we get a palindrome (34033444433043).

The spelling of 33021222221010 in words is "thirty-three trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, ten".