33021123312113 has 4 divisors (see below), whose sum is σ = 33022155157488. Its totient is φ = 33020091466740.

The previous prime is 33021123312091. The next prime is 33021123312157. The reversal of 33021123312113 is 31121332112033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33021123312113 - 2¹⁰ = 33021123311089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33021123312173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515874683 + ... + 515938688.

It is an arithmetic number, because the mean of its divisors is an integer number (8255538789372).

Almost surely, 2^{33021123312113} is an apocalyptic number.

It is an amenable number.

33021123312113 is a deficient number, since it is larger than the sum of its proper divisors (1031845375).

33021123312113 is a wasteful number, since it uses less digits than its factorization.

33021123312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031845374.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 33021123312113 its reverse (31121332112033), we get a palindrome (64142455424146).

The spelling of 33021123312113 in words is "thirty-three trillion, twenty-one billion, one hundred twenty-three million, three hundred twelve thousand, one hundred thirteen".