33021321222113 has 24 divisors (see below), whose sum is σ = 38786602383360. Its totient is φ = 28028393184960.

The previous prime is 33021321222107. The next prime is 33021321222133. The reversal of 33021321222113 is 31122212312033.

It is not a de Polignac number, because 33021321222113 - 2²⁰ = 33021320173537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33021321222133) 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, 235528928 + ... + 235669086.

It is an arithmetic number, because the mean of its divisors is an integer number (1616108432640).

Almost surely, 2^{33021321222113} is an apocalyptic number.

It is an amenable number.

33021321222113 is a deficient number, since it is larger than the sum of its proper divisors (5765281161247).

33021321222113 is a wasteful number, since it uses less digits than its factorization.

33021321222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186957 (or 186950 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 33021321222113 its reverse (31122212312033), we get a palindrome (64143533534146).

The spelling of 33021321222113 in words is "thirty-three trillion, twenty-one billion, three hundred twenty-one million, two hundred twenty-two thousand, one hundred thirteen".