111121022201 has 8 divisors (see below), whose sum is σ = 127036670784. Its totient is φ = 95215677840.

The previous prime is 111121022167. The next prime is 111121022261. The reversal of 111121022201 is 102220121111.

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 111121022201 - 2⁶ = 111121022137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111121022261) 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, 2552930 + ... + 2596091.

It is an arithmetic number, because the mean of its divisors is an integer number (15879583848).

Almost surely, 2^111121022201 is an apocalyptic number.

It is an amenable number.

111121022201 is a deficient number, since it is larger than the sum of its proper divisors (15915648583).

111121022201 is an equidigital number, since it uses as much as digits as its factorization.

111121022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152111.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111121022201 its reverse (102220121111), we get a palindrome (213341143312).

The spelling of 111121022201 in words is "one hundred eleven billion, one hundred twenty-one million, twenty-two thousand, two hundred one".