203012211022 has 24 divisors (see below), whose sum is σ = 331374768480. Its totient is φ = 93205021440.

The previous prime is 203012210983. The next prime is 203012211029. The reversal of 203012211022 is 220112210302.

It is a happy number.

203012211022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 203012210987 and 203012211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203012211029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4259622 + ... + 4307017.

It is an arithmetic number, because the mean of its divisors is an integer number (13807282020).

Almost surely, 2^203012211022 is an apocalyptic number.

203012211022 is a deficient number, since it is larger than the sum of its proper divisors (128362557458).

203012211022 is a wasteful number, since it uses less digits than its factorization.

203012211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566716 (or 8566699 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 203012211022 its reverse (220112210302), we get a palindrome (423124421324).

The spelling of 203012211022 in words is "two hundred three billion, twelve million, two hundred eleven thousand, twenty-two".