203012103211103 has 8 divisors (see below), whose sum is σ = 210013844868480. Its totient is φ = 196010449840800.

The previous prime is 203012103211091. The next prime is 203012103211121. The reversal of 203012103211103 is 301112301210302.

It is a happy number.

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 203012103211103 - 2²² = 203012099016799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203012103211163) 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, 17376623 + ... + 26607728.

It is an arithmetic number, because the mean of its divisors is an integer number (26251730608560).

Almost surely, 2^{203012103211103} is an apocalyptic number.

203012103211103 is a deficient number, since it is larger than the sum of its proper divisors (7001741657377).

203012103211103 is a wasteful number, since it uses less digits than its factorization.

203012103211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44143537.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 203012103211103 its reverse (301112301210302), we get a palindrome (504124404421405).

The spelling of 203012103211103 in words is "two hundred three trillion, twelve billion, one hundred three million, two hundred eleven thousand, one hundred three".