111003213011 has 4 divisors (see below), whose sum is σ = 116845487400. Its totient is φ = 105160938624.

The previous prime is 111003212981. The next prime is 111003213023. The reversal of 111003213011 is 110312300111.

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 111003213011 - 2¹⁰ = 111003211987 is a prime.

It is a super-2 number, since 2×111003213011² (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 (111003213031) 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, 2921137166 + ... + 2921137203.

It is an arithmetic number, because the mean of its divisors is an integer number (29211371850).

Almost surely, 2^111003213011 is an apocalyptic number.

111003213011 is a deficient number, since it is larger than the sum of its proper divisors (5842274389).

111003213011 is an equidigital number, since it uses as much as digits as its factorization.

111003213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842274388.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111003213011 its reverse (110312300111), we get a palindrome (221315513122).

The spelling of 111003213011 in words is "one hundred eleven billion, three million, two hundred thirteen thousand, eleven".