203113120202011 has 8 divisors (see below), whose sum is σ = 203176650369600. Its totient is φ = 203049595327488.

The previous prime is 203113120201973. The next prime is 203113120202017. The reversal of 203113120202011 is 110202021311302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203113120202011 - 2³⁷ = 202975681248539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203113120202011.

It is not an unprimeable number, because it can be changed into a prime (203113120202017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76143835 + ... + 78766171.

It is an arithmetic number, because the mean of its divisors is an integer number (25397081296200).

Almost surely, 2^{203113120202011} is an apocalyptic number.

203113120202011 is a deficient number, since it is larger than the sum of its proper divisors (63530167589).

203113120202011 is a wasteful number, since it uses less digits than its factorization.

203113120202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646533.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 203113120202011 its reverse (110202021311302), we get a palindrome (313315141513313).

The spelling of 203113120202011 in words is "two hundred three trillion, one hundred thirteen billion, one hundred twenty million, two hundred two thousand, eleven".