33223201332121 has 8 divisors (see below), whose sum is σ = 35177563197000. Its totient is φ = 31268845678848.

The previous prime is 33223201332107. The next prime is 33223201332149. The reversal of 33223201332121 is 12123310232233.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8042124626496 + 25181076705625 = 2835864^2 + 5018075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33223201332121 - 2²¹ = 33223199234969 is a prime.

It is a super-2 number, since 2×33223201332121² (a number of 28 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 33223201332121.

It is not an unprimeable number, because it can be changed into a prime (33223201332221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13790215 + ... + 16019251.

It is an arithmetic number, because the mean of its divisors is an integer number (4397195399625).

Almost surely, 2^{33223201332121} is an apocalyptic number.

It is an amenable number.

33223201332121 is a deficient number, since it is larger than the sum of its proper divisors (1954361864879).

33223201332121 is a wasteful number, since it uses less digits than its factorization.

33223201332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105803.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 33223201332121 its reverse (12123310232233), we get a palindrome (45346511564354).

The spelling of 33223201332121 in words is "thirty-three trillion, two hundred twenty-three billion, two hundred one million, three hundred thirty-two thousand, one hundred twenty-one".