111002122212211 has 4 divisors (see below), whose sum is σ = 111005352150912. Its totient is φ = 110998892273512.

The previous prime is 111002122212169. The next prime is 111002122212269. The reversal of 111002122212211 is 112212221200111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111002122212211 - 2³¹ = 110999974728563 is a prime.

It is a super-2 number, since 2×111002122212211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111002122215211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614917800 + ... + 1614986533.

It is an arithmetic number, because the mean of its divisors is an integer number (27751338037728).

Almost surely, 2^{111002122212211} is an apocalyptic number.

111002122212211 is a deficient number, since it is larger than the sum of its proper divisors (3229938701).

111002122212211 is an equidigital number, since it uses as much as digits as its factorization.

111002122212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229938700.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111002122212211 its reverse (112212221200111), we get a palindrome (223214343412322).

The spelling of 111002122212211 in words is "one hundred eleven trillion, two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred eleven".