203101111112111 has 8 divisors (see below), whose sum is σ = 205228596840960. Its totient is φ = 200983144335768.

The previous prime is 203101111112099. The next prime is 203101111112131. The reversal of 203101111112111 is 111211111101302.

203101111112111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203101111112111 is a prime.

It is a super-2 number, since 2×203101111112111² (a number of 29 digits) contains 22 as substring.

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 203101111112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203101111112131) 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, 2379695231 + ... + 2379780576.

It is an arithmetic number, because the mean of its divisors is an integer number (25653574605120).

Almost surely, 2^{203101111112111} is an apocalyptic number.

203101111112111 is a deficient number, since it is larger than the sum of its proper divisors (2127485728849).

203101111112111 is a wasteful number, since it uses less digits than its factorization.

203101111112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4759476253.

The product of its (nonzero) digits is 12, while the sum is 17.

Adding to 203101111112111 its reverse (111211111101302), we get a palindrome (314312222213413).

The spelling of 203101111112111 in words is "two hundred three trillion, one hundred one billion, one hundred eleven million, one hundred twelve thousand, one hundred eleven".