111222011102101 has 4 divisors (see below), whose sum is σ = 113107129934400. Its totient is φ = 109336892269804.

The previous prime is 111222011102051. The next prime is 111222011102149. The reversal of 111222011102101 is 101201110222111.

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 not a de Polignac number, because 111222011102101 - 2²⁷ = 111221876884373 is a prime.

It is a super-2 number, since 2×111222011102101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222011172101) 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, 942559416061 + ... + 942559416178.

It is an arithmetic number, because the mean of its divisors is an integer number (28276782483600).

Almost surely, 2^{111222011102101} is an apocalyptic number.

It is an amenable number.

111222011102101 is a deficient number, since it is larger than the sum of its proper divisors (1885118832299).

111222011102101 is an equidigital number, since it uses as much as digits as its factorization.

111222011102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885118832298.

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

Adding to 111222011102101 its reverse (101201110222111), we get a palindrome (212423121324212).

The spelling of 111222011102101 in words is "one hundred eleven trillion, two hundred twenty-two billion, eleven million, one hundred two thousand, one hundred one".