2233320121121 has 8 divisors (see below), whose sum is σ = 2237098265064. Its totient is φ = 2229544275840.

The previous prime is 2233320121037. The next prime is 2233320121163. The reversal of 2233320121121 is 1211210233322.

It can be written as a sum of positive squares in 4 ways, for example, as 605937696400 + 1627382424721 = 778420^2 + 1275689^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2233320121121 is a prime.

It is a super-2 number, since 2×2233320121121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2233320121171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375715 + ... + 2521751.

It is an arithmetic number, because the mean of its divisors is an integer number (279637283133).

Almost surely, 2^{2233320121121} is an apocalyptic number.

It is an amenable number.

2233320121121 is a deficient number, since it is larger than the sum of its proper divisors (3778143943).

2233320121121 is a wasteful number, since it uses less digits than its factorization.

2233320121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149331.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2233320121121 its reverse (1211210233322), we get a palindrome (3444530354443).

The spelling of 2233320121121 in words is "two trillion, two hundred thirty-three billion, three hundred twenty million, one hundred twenty-one thousand, one hundred twenty-one".