111220222102011 has 48 divisors (see below), whose sum is σ = 180432841636320. Its totient is φ = 65424052200960.

The previous prime is 111220222101997. The next prime is 111220222102049. The reversal of 111220222102011 is 110201222022111.

111220222102011 is a `hidden beast` number, since 1 + 11 + 220 + 22 + 210 + 201 + 1 = 666.

It is not a de Polignac number, because 111220222102011 - 2¹³ = 111220222093819 is a prime.

It is a super-2 number, since 2×111220222102011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111220222101011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35620600 + ... + 38616933.

It is an arithmetic number, because the mean of its divisors is an integer number (3759017534090).

Almost surely, 2^{111220222102011} is an apocalyptic number.

111220222102011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111220222102011 is a deficient number, since it is larger than the sum of its proper divisors (69212619534309).

111220222102011 is a wasteful number, since it uses less digits than its factorization.

111220222102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74237996 (or 74237993 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111220222102011 its reverse (110201222022111), we get a palindrome (221421444124122).

The spelling of 111220222102011 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred twenty-two million, one hundred two thousand, eleven".