11111000212003 has 4 divisors (see below), whose sum is σ = 11131538105728. Its totient is φ = 11090462318280.

The previous prime is 11111000212001. The next prime is 11111000212021. The reversal of 11111000212003 is 30021200011111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11111000212003 - 2¹ = 11111000212001 is a prime.

It is a super-2 number, since 2×11111000212003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111000212001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10268946051 + ... + 10268947132.

It is an arithmetic number, because the mean of its divisors is an integer number (2782884526432).

Almost surely, 2^{11111000212003} is an apocalyptic number.

11111000212003 is a deficient number, since it is larger than the sum of its proper divisors (20537893725).

11111000212003 is an equidigital number, since it uses as much as digits as its factorization.

11111000212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20537893724.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11111000212003 its reverse (30021200011111), we get a palindrome (41132200223114).

The spelling of 11111000212003 in words is "eleven trillion, one hundred eleven billion, two hundred twelve thousand, three".