203201031122 has 4 divisors (see below), whose sum is σ = 304801546686. Its totient is φ = 101600515560.

The previous prime is 203201031119. The next prime is 203201031149. The reversal of 203201031122 is 221130102302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 116718572881 + 86482458241 = 341641^2 + 294079^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 203201031122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50800257779 + ... + 50800257782.

Almost surely, 2^203201031122 is an apocalyptic number.

203201031122 is a deficient number, since it is larger than the sum of its proper divisors (101600515564).

203201031122 is a wasteful number, since it uses less digits than its factorization.

203201031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101600515563.

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

Adding to 203201031122 its reverse (221130102302), we get a palindrome (424331133424).

The spelling of 203201031122 in words is "two hundred three billion, two hundred one million, thirty-one thousand, one hundred twenty-two".