223311133312121 has 4 divisors (see below), whose sum is σ = 223453642013952. Its totient is φ = 223168624610292.

The previous prime is 223311133312073. The next prime is 223311133312147. The reversal of 223311133312121 is 121213331113322.

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 a de Polignac number, because none of the positive numbers 2^k-223311133312121 is a prime.

It is a super-2 number, since 2×223311133312121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223311133312721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71254348565 + ... + 71254351698.

It is an arithmetic number, because the mean of its divisors is an integer number (55863410503488).

Almost surely, 2^{223311133312121} is an apocalyptic number.

It is an amenable number.

223311133312121 is a deficient number, since it is larger than the sum of its proper divisors (142508701831).

223311133312121 is a wasteful number, since it uses less digits than its factorization.

223311133312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142508701830.

The product of its digits is 3888, while the sum is 29.

Adding to 223311133312121 its reverse (121213331113322), we get a palindrome (344524464425443).

The spelling of 223311133312121 in words is "two hundred twenty-three trillion, three hundred eleven billion, one hundred thirty-three million, three hundred twelve thousand, one hundred twenty-one".