111102222120101 has 4 divisors (see below), whose sum is σ = 111567084974400. Its totient is φ = 110637359265804.

The previous prime is 111102222120077. The next prime is 111102222120173. The reversal of 111102222120101 is 101021222201111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111102222120101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111102222120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102222120181) 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, 232431426791 + ... + 232431427268.

It is an arithmetic number, because the mean of its divisors is an integer number (27891771243600).

Almost surely, 2^{111102222120101} is an apocalyptic number.

It is an amenable number.

111102222120101 is a deficient number, since it is larger than the sum of its proper divisors (464862854299).

111102222120101 is an equidigital number, since it uses as much as digits as its factorization.

111102222120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464862854298.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111102222120101 its reverse (101021222201111), we get a palindrome (212123444321212).

The spelling of 111102222120101 in words is "one hundred eleven trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty thousand, one hundred one".