111211202010011 has 16 divisors (see below), whose sum is σ = 111480939076608. Its totient is φ = 110941795641600.

The previous prime is 111211202009989. The next prime is 111211202010019. The reversal of 111211202010011 is 110010202112111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111211202010011 is a prime.

It is a super-2 number, since 2×111211202010011² (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 (111211202010019) 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, 5292988496 + ... + 5293009506.

It is an arithmetic number, because the mean of its divisors is an integer number (6967558692288).

Almost surely, 2^{111211202010011} is an apocalyptic number.

111211202010011 is a deficient number, since it is larger than the sum of its proper divisors (269737066597).

111211202010011 is a wasteful number, since it uses less digits than its factorization.

111211202010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28282.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111211202010011 its reverse (110010202112111), we get a palindrome (221221404122122).

The spelling of 111211202010011 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred two million, ten thousand, eleven".