203321311220022 has 16 divisors (see below), whose sum is σ = 406644901404912. Its totient is φ = 67773390579200.

The previous prime is 203321311219991. The next prime is 203321311220077. The reversal of 203321311220022 is 220022113123302.

It is a junction number, because it is equal to n+sod(n) for n = 203321311219974 and 203321311220001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93795963 + ... + 95939174.

It is an arithmetic number, because the mean of its divisors is an integer number (25415306337807).

Almost surely, 2^{203321311220022} is an apocalyptic number.

203321311220022 is an abundant number, since it is smaller than the sum of its proper divisors (203323590184890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203321311220022 is a wasteful number, since it uses less digits than its factorization.

203321311220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189913743.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 203321311220022 its reverse (220022113123302), we get a palindrome (423343424343324).

The spelling of 203321311220022 in words is "two hundred three trillion, three hundred twenty-one billion, three hundred eleven million, two hundred twenty thousand, twenty-two".