111203100001 has 16 divisors (see below), whose sum is σ = 128947659264. Its totient is φ = 93925522944.

The previous prime is 111203099933. The next prime is 111203100007. The reversal of 111203100001 is 100001302111.

It is a cyclic number.

It is not a de Polignac number, because 111203100001 - 2⁷ = 111203099873 is a prime.

It is a super-2 number, since 2×111203100001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111203100007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464985 + ... + 662281.

It is an arithmetic number, because the mean of its divisors is an integer number (8059228704).

Almost surely, 2^111203100001 is an apocalyptic number.

It is an amenable number.

111203100001 is a deficient number, since it is larger than the sum of its proper divisors (17744559263).

111203100001 is a wasteful number, since it uses less digits than its factorization.

111203100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198480.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 111203100001 its reverse (100001302111), we get a palindrome (211204402112).

The spelling of 111203100001 in words is "one hundred eleven billion, two hundred three million, one hundred thousand, one".