111102220001211 has 8 divisors (see below), whose sum is σ = 148136645583120. Its totient is φ = 74067970543392.

The previous prime is 111102220001159. The next prime is 111102220001219. The reversal of 111102220001211 is 112100022201111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111102220001211 - 2⁷ = 111102220001083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111102220001219) 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 7 ways as a sum of consecutive naturals, for example, 42552016 + ... + 45087453.

It is an arithmetic number, because the mean of its divisors is an integer number (18517080697890).

Almost surely, 2^{111102220001211} is an apocalyptic number.

111102220001211 is a deficient number, since it is larger than the sum of its proper divisors (37034425581909).

111102220001211 is an equidigital number, since it uses as much as digits as its factorization.

111102220001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88062045.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111102220001211 its reverse (112100022201111), we get a palindrome (223202242202322).

The spelling of 111102220001211 in words is "one hundred eleven trillion, one hundred two billion, two hundred twenty million, one thousand, two hundred eleven".