203212303022011 has 4 divisors (see below), whose sum is σ = 203433426312400. Its totient is φ = 202991179731624.

The previous prime is 203212303021993. The next prime is 203212303022059. The reversal of 203212303022011 is 110220303212302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203212303022011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203212303022411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110561643816 + ... + 110561645653.

It is an arithmetic number, because the mean of its divisors is an integer number (50858356578100).

Almost surely, 2^{203212303022011} is an apocalyptic number.

203212303022011 is a deficient number, since it is larger than the sum of its proper divisors (221123290389).

203212303022011 is an equidigital number, since it uses as much as digits as its factorization.

203212303022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221123290388.

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

Adding to 203212303022011 its reverse (110220303212302), we get a palindrome (313432606234313).

The spelling of 203212303022011 in words is "two hundred three trillion, two hundred twelve billion, three hundred three million, twenty-two thousand, eleven".