203030003201122 has 4 divisors (see below), whose sum is σ = 304545004801686. Its totient is φ = 101515001600560.

The previous prime is 203030003201111. The next prime is 203030003201161. The reversal of 203030003201122 is 221102300030302.

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., 109797055171281 + 93232948029841 = 10478409^2 + 9655721^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 203030003201122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50757500800279 + ... + 50757500800282.

Almost surely, 2^{203030003201122} is an apocalyptic number.

203030003201122 is a deficient number, since it is larger than the sum of its proper divisors (101515001600564).

203030003201122 is a wasteful number, since it uses less digits than its factorization.

203030003201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101515001600563.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203030003201122 its reverse (221102300030302), we get a palindrome (424132303231424).

The spelling of 203030003201122 in words is "two hundred three trillion, thirty billion, three million, two hundred one thousand, one hundred twenty-two".