203310021122 has 16 divisors (see below), whose sum is σ = 328460721792. Its totient is φ = 93824868240.

The previous prime is 203310021091. The next prime is 203310021137. The reversal of 203310021122 is 221120013302.

It is a super-2 number, since 2×203310021122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203310021122.

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, 199904 + ... + 668267.

It is an arithmetic number, because the mean of its divisors is an integer number (20528795112).

Almost surely, 2^203310021122 is an apocalyptic number.

203310021122 is a deficient number, since it is larger than the sum of its proper divisors (125150700670).

203310021122 is a wasteful number, since it uses less digits than its factorization.

203310021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877193.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 203310021122 its reverse (221120013302), we get a palindrome (424430034424).

The spelling of 203310021122 in words is "two hundred three billion, three hundred ten million, twenty-one thousand, one hundred twenty-two".