201121112201003 has 4 divisors (see below), whose sum is σ = 201121645915800. Its totient is φ = 201120578486208.

The previous prime is 201121112200999. The next prime is 201121112201017. The reversal of 201121112201003 is 300102211121102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201121112201003 - 2² = 201121112200999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201121112201083) 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, 266291750 + ... + 267045947.

It is an arithmetic number, because the mean of its divisors is an integer number (50280411478950).

Almost surely, 2^{201121112201003} is an apocalyptic number.

201121112201003 is a deficient number, since it is larger than the sum of its proper divisors (533714797).

201121112201003 is an equidigital number, since it uses as much as digits as its factorization.

201121112201003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533714796.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 201121112201003 its reverse (300102211121102), we get a palindrome (501223323322105).

The spelling of 201121112201003 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twelve million, two hundred one thousand, three".