111220010211011 has 16 divisors (see below), whose sum is σ = 121034293160928. Its totient is φ = 101586796704000.

The previous prime is 111220010211007. The next prime is 111220010211019. The reversal of 111220010211011 is 110112010022111.

It is a cyclic number.

It is not a de Polignac number, because 111220010211011 - 2² = 111220010211007 is a prime.

It is a super-2 number, since 2×111220010211011² (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 (111220010211019) 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, 23384645 + ... + 27735926.

It is an arithmetic number, because the mean of its divisors is an integer number (7564643322558).

Almost surely, 2^{111220010211011} is an apocalyptic number.

111220010211011 is a deficient number, since it is larger than the sum of its proper divisors (9814282949917).

111220010211011 is a wasteful number, since it uses less digits than its factorization.

111220010211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51122342.

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

Adding to 111220010211011 its reverse (110112010022111), we get a palindrome (221332020233122).

The spelling of 111220010211011 in words is "one hundred eleven trillion, two hundred twenty billion, ten million, two hundred eleven thousand, eleven".