203103010012111 has 8 divisors (see below), whose sum is σ = 223258270549248. Its totient is φ = 183229641231000.

The previous prime is 203103010012073. The next prime is 203103010012129. The reversal of 203103010012111 is 111210010301302.

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 203103010012111 - 2⁷ = 203103010011983 is a prime.

It is a super-2 number, since 2×203103010012111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203103010012211) 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, 70472937495 + ... + 70472940376.

It is an arithmetic number, because the mean of its divisors is an integer number (27907283818656).

Almost surely, 2^{203103010012111} is an apocalyptic number.

203103010012111 is a deficient number, since it is larger than the sum of its proper divisors (20155260537137).

203103010012111 is a wasteful number, since it uses less digits than its factorization.

203103010012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140945878013.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 203103010012111 its reverse (111210010301302), we get a palindrome (314313020313413).

The spelling of 203103010012111 in words is "two hundred three trillion, one hundred three billion, ten million, twelve thousand, one hundred eleven".