33112221132011 has 24 divisors (see below), whose sum is σ = 38549352441600. Its totient is φ = 28359025469712.

The previous prime is 33112221132007. The next prime is 33112221132071. The reversal of 33112221132011 is 11023112221133.

It is a happy number.

It is not a de Polignac number, because 33112221132011 - 2² = 33112221132007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33112221132071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1378342946 + ... + 1378366968.

It is an arithmetic number, because the mean of its divisors is an integer number (1606223018400).

Almost surely, 2^{33112221132011} is an apocalyptic number.

33112221132011 is a deficient number, since it is larger than the sum of its proper divisors (5437131309589).

33112221132011 is a wasteful number, since it uses less digits than its factorization.

33112221132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45543 (or 45536 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 33112221132011 its reverse (11023112221133), we get a palindrome (44135333353144).

The spelling of 33112221132011 in words is "thirty-three trillion, one hundred twelve billion, two hundred twenty-one million, one hundred thirty-two thousand, eleven".