203113221322 has 16 divisors (see below), whose sum is σ = 333942296544. Its totient is φ = 91886634000.

The previous prime is 203113221257. The next prime is 203113221323. The reversal of 203113221322 is 223122311302.

203113221322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 203113221293 and 203113221302.

It is not an unprimeable number, because it can be changed into a prime (203113221323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21873129 + ... + 21882412.

It is an arithmetic number, because the mean of its divisors is an integer number (20871393534).

Almost surely, 2^203113221322 is an apocalyptic number.

203113221322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203113221322 is a deficient number, since it is larger than the sum of its proper divisors (130829075222).

203113221322 is a wasteful number, since it uses less digits than its factorization.

203113221322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43755765.

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

Adding to 203113221322 its reverse (223122311302), we get a palindrome (426235532624).

The spelling of 203113221322 in words is "two hundred three billion, one hundred thirteen million, two hundred twenty-one thousand, three hundred twenty-two".