33232121011 has 4 divisors (see below), whose sum is σ = 33236010472. Its totient is φ = 33228231552.

The previous prime is 33232120969. The next prime is 33232121047. The reversal of 33232121011 is 11012123233.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33232121011 - 2¹⁷ = 33231989939 is a prime.

It is a super-2 number, since 2×33232121011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33232121011.

It is not an unprimeable number, because it can be changed into a prime (33232127011) 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, 1931886 + ... + 1949011.

It is an arithmetic number, because the mean of its divisors is an integer number (8309002618).

Almost surely, 2^33232121011 is an apocalyptic number.

33232121011 is a deficient number, since it is larger than the sum of its proper divisors (3889461).

33232121011 is an equidigital number, since it uses as much as digits as its factorization.

33232121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889460.

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

Adding to 33232121011 its reverse (11012123233), we get a palindrome (44244244244).

The spelling of 33232121011 in words is "thirty-three billion, two hundred thirty-two million, one hundred twenty-one thousand, eleven".