111002122011 has 16 divisors (see below), whose sum is σ = 163056227328. Its totient is φ = 66607932000.

The previous prime is 111002122009. The next prime is 111002122027. The reversal of 111002122011 is 110221200111.

It is not a de Polignac number, because 111002122011 - 2¹ = 111002122009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111002122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16648651 + ... + 16655316.

It is an arithmetic number, because the mean of its divisors is an integer number (10191014208).

Almost surely, 2^111002122011 is an apocalyptic number.

111002122011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111002122011 is a deficient number, since it is larger than the sum of its proper divisors (52054105317).

111002122011 is a wasteful number, since it uses less digits than its factorization.

111002122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33304082.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111002122011 its reverse (110221200111), we get a palindrome (221223322122).

The spelling of 111002122011 in words is "one hundred eleven billion, two million, one hundred twenty-two thousand, eleven".