33132210121 has 4 divisors (see below), whose sum is σ = 33236728452. Its totient is φ = 33027691792.

The previous prime is 33132210019. The next prime is 33132210151. The reversal of 33132210121 is 12101223133.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17725194496 + 15407015625 = 133136^2 + 124125^2 .

It is a cyclic number.

It is not a de Polignac number, because 33132210121 - 2¹⁹ = 33131685833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33132210151) 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, 52258690 + ... + 52259323.

It is an arithmetic number, because the mean of its divisors is an integer number (8309182113).

Almost surely, 2^33132210121 is an apocalyptic number.

It is an amenable number.

33132210121 is a deficient number, since it is larger than the sum of its proper divisors (104518331).

33132210121 is a wasteful number, since it uses less digits than its factorization.

33132210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104518330.

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

Adding to 33132210121 its reverse (12101223133), we get a palindrome (45233433254).

It can be divided in two parts, 33132 and 210121, that added together give a triangular number (243253 = T₆₉₇).

The spelling of 33132210121 in words is "thirty-three billion, one hundred thirty-two million, two hundred ten thousand, one hundred twenty-one".