111121200202011 has 16 divisors (see below), whose sum is σ = 148333473429504. Its totient is φ = 73994869004544.

The previous prime is 111121200201997. The next prime is 111121200202013. The reversal of 111121200202011 is 110202002121111.

It is a happy number.

It is not a de Polignac number, because 111121200202011 - 2¹⁴ = 111121200185627 is a prime.

It is a super-2 number, since 2×111121200202011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111121200202013) 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, 82871670 + ... + 84201876.

It is an arithmetic number, because the mean of its divisors is an integer number (9270842089344).

Almost surely, 2^{111121200202011} is an apocalyptic number.

111121200202011 is a deficient number, since it is larger than the sum of its proper divisors (37212273227493).

111121200202011 is a wasteful number, since it uses less digits than its factorization.

111121200202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362490.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111121200202011 its reverse (110202002121111), we get a palindrome (221323202323122).

The spelling of 111121200202011 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred million, two hundred two thousand, eleven".