111112010100203 has 16 divisors (see below), whose sum is σ = 127335555717120. Its totient is φ = 94976082722016.

The previous prime is 111112010100197. The next prime is 111112010100209. The reversal of 111112010100203 is 302001010211111.

It is an interprime number because it is at equal distance from previous prime (111112010100197) and next prime (111112010100209).

It is a cyclic number.

It is not a de Polignac number, because 111112010100203 - 2¹⁴ = 111112010083819 is a prime.

It is a super-2 number, since 2×111112010100203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112010100209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75241778 + ... + 76704296.

It is an arithmetic number, because the mean of its divisors is an integer number (7958472232320).

Almost surely, 2^{111112010100203} is an apocalyptic number.

111112010100203 is a deficient number, since it is larger than the sum of its proper divisors (16223545616917).

111112010100203 is a wasteful number, since it uses less digits than its factorization.

111112010100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492466.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111112010100203 its reverse (302001010211111), we get a palindrome (413113020311314).

The spelling of 111112010100203 in words is "one hundred eleven trillion, one hundred twelve billion, ten million, one hundred thousand, two hundred three".