33011221132 has 12 divisors (see below), whose sum is σ = 60281360496. Its totient is φ = 15787975280.

The previous prime is 33011221121. The next prime is 33011221147. The reversal of 33011221132 is 23112211033.

It is a super-2 number, since 2×33011221132² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179408719 + ... + 179408902.

It is an arithmetic number, because the mean of its divisors is an integer number (5023446708).

Almost surely, 2^33011221132 is an apocalyptic number.

It is an amenable number.

33011221132 is a deficient number, since it is larger than the sum of its proper divisors (27270139364).

33011221132 is a wasteful number, since it uses less digits than its factorization.

33011221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358817648 (or 358817646 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 33011221132 its reverse (23112211033), we get a palindrome (56123432165).

The spelling of 33011221132 in words is "thirty-three billion, eleven million, two hundred twenty-one thousand, one hundred thirty-two".