223121122033 has 4 divisors (see below), whose sum is σ = 223139302308. Its totient is φ = 223102941760.

The previous prime is 223121122013. The next prime is 223121122043. The reversal of 223121122033 is 330221121322.

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 142406607424 + 80714514609 = 377368^2 + 284103^2 .

It is a cyclic number.

It is not a de Polignac number, because 223121122033 - 2¹³ = 223121113841 is a prime.

It is a super-3 number, since 3×223121122033³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223121121995 and 223121122013.

It is not an unprimeable number, because it can be changed into a prime (223121122013) 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, 9071716 + ... + 9096277.

It is an arithmetic number, because the mean of its divisors is an integer number (55784825577).

Almost surely, 2^223121122033 is an apocalyptic number.

It is an amenable number.

223121122033 is a deficient number, since it is larger than the sum of its proper divisors (18180275).

223121122033 is a wasteful number, since it uses less digits than its factorization.

223121122033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18180274.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 223121122033 its reverse (330221121322), we get a palindrome (553342243355).

The spelling of 223121122033 in words is "two hundred twenty-three billion, one hundred twenty-one million, one hundred twenty-two thousand, thirty-three".