111200222122011 has 48 divisors (see below), whose sum is σ = 179964429785088. Its totient is φ = 65571141384000.

The previous prime is 111200222122007. The next prime is 111200222122021. The reversal of 111200222122011 is 110221222002111.

111200222122011 is a `hidden beast` number, since 1 + 11 + 200 + 2 + 221 + 220 + 11 = 666.

It is not a de Polignac number, because 111200222122011 - 2² = 111200222122007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111200222122021) 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, 175313286 + ... + 175946436.

It is an arithmetic number, because the mean of its divisors is an integer number (3749258953856).

Almost surely, 2^{111200222122011} is an apocalyptic number.

111200222122011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111200222122011 is a deficient number, since it is larger than the sum of its proper divisors (68764207663077).

111200222122011 is a wasteful number, since it uses less digits than its factorization.

111200222122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681152 (or 681149 counting only the distinct ones).

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

Adding to 111200222122011 its reverse (110221222002111), we get a palindrome (221421444124122).

The spelling of 111200222122011 in words is "one hundred eleven trillion, two hundred billion, two hundred twenty-two million, one hundred twenty-two thousand, eleven".