203022230022121 has 4 divisors (see below), whose sum is σ = 203022260485200. Its totient is φ = 203022199559044.

The previous prime is 203022230022113. The next prime is 203022230022173. The reversal of 203022230022121 is 121220032220302.

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 not a de Polignac number, because 203022230022121 - 2³ = 203022230022113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203022230022092 and 203022230022101.

It is not an unprimeable number, because it can be changed into a prime (203022230020121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458851 + ... + 20155768.

It is an arithmetic number, because the mean of its divisors is an integer number (50755565121300).

Almost surely, 2^{203022230022121} is an apocalyptic number.

It is an amenable number.

203022230022121 is a deficient number, since it is larger than the sum of its proper divisors (30463079).

203022230022121 is an equidigital number, since it uses as much as digits as its factorization.

203022230022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30463078.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 203022230022121 its reverse (121220032220302), we get a palindrome (324242262242423).

The spelling of 203022230022121 in words is "two hundred three trillion, twenty-two billion, two hundred thirty million, twenty-two thousand, one hundred twenty-one".