111220010011 has 32 divisors (see below), whose sum is σ = 129054643200. Its totient is φ = 94887072000.

The previous prime is 111220009991. The next prime is 111220010017. The reversal of 111220010011 is 110010022111.

It is not a de Polignac number, because 111220010011 - 2¹⁵ = 111219977243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111220010011.

It is not an unprimeable number, because it can be changed into a prime (111220010017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3528720 + ... + 3560098.

It is an arithmetic number, because the mean of its divisors is an integer number (4032957600).

Almost surely, 2^111220010011 is an apocalyptic number.

111220010011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111220010011 is a deficient number, since it is larger than the sum of its proper divisors (17834633189).

111220010011 is a wasteful number, since it uses less digits than its factorization.

111220010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31731.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111220010011 its reverse (110010022111), we get a palindrome (221230032122).

It can be divided in two parts, 1112200 and 10011, that added together give a palindrome (1122211).

The spelling of 111220010011 in words is "one hundred eleven billion, two hundred twenty million, ten thousand, eleven".