11112003121203 has 96 divisors (see below), whose sum is σ = 17202735513600. Its totient is φ = 6891537931200.

The previous prime is 11112003121159. The next prime is 11112003121231. The reversal of 11112003121203 is 30212130021111.

11112003121203 is a `hidden beast` number, since 111 + 120 + 0 + 312 + 120 + 3 = 666.

It is not a de Polignac number, because 11112003121203 - 2¹⁷ = 11112002990131 is a prime.

It is a super-2 number, since 2×11112003121203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11112003121253) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2046029898 + ... + 2046035328.

It is an arithmetic number, because the mean of its divisors is an integer number (179195161600).

Almost surely, 2^{11112003121203} is an apocalyptic number.

11112003121203 is a deficient number, since it is larger than the sum of its proper divisors (6090732392397).

11112003121203 is a wasteful number, since it uses less digits than its factorization.

11112003121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6333 (or 6330 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11112003121203 its reverse (30212130021111), we get a palindrome (41324133142314).

The spelling of 11112003121203 in words is "eleven trillion, one hundred twelve billion, three million, one hundred twenty-one thousand, two hundred three".