111201013203 has 16 divisors (see below), whose sum is σ = 176816518656. Its totient is φ = 60780677760.

The previous prime is 111201013199. The next prime is 111201013211. The reversal of 111201013203 is 302310102111.

It is a happy number.

It is not a de Polignac number, because 111201013203 - 2² = 111201013199 is a prime.

It is a super-3 number, since 3×111201013203³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (111201014203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115114438 + ... + 115115403.

It is an arithmetic number, because the mean of its divisors is an integer number (11051032416).

Almost surely, 2^111201013203 is an apocalyptic number.

111201013203 is a deficient number, since it is larger than the sum of its proper divisors (65615505453).

111201013203 is a wasteful number, since it uses less digits than its factorization.

111201013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230229874.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111201013203 its reverse (302310102111), we get a palindrome (413511115314).

The spelling of 111201013203 in words is "one hundred eleven billion, two hundred one million, thirteen thousand, two hundred three".