111022111221211 has 8 divisors (see below), whose sum is σ = 112746410401248. Its totient is φ = 109302273360000.

The previous prime is 111022111221199. The next prime is 111022111221251. The reversal of 111022111221211 is 112122111220111.

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

It is a cyclic number.

It is not a de Polignac number, because 111022111221211 - 2³¹ = 111019963737563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111022111221251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115279550 + ... + 1115379091.

It is an arithmetic number, because the mean of its divisors is an integer number (14093301300156).

Almost surely, 2^{111022111221211} is an apocalyptic number.

111022111221211 is a deficient number, since it is larger than the sum of its proper divisors (1724299180037).

111022111221211 is an equidigital number, since it uses as much as digits as its factorization.

111022111221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230659413.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111022111221211 its reverse (112122111220111), we get a palindrome (223144222441322).

The spelling of 111022111221211 in words is "one hundred eleven trillion, twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, two hundred eleven".