111100020221 has 8 divisors (see below), whose sum is σ = 111351836064. Its totient is φ = 110848376880.

The previous prime is 111100020211. The next prime is 111100020271. The reversal of 111100020221 is 122020001111.

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 111100020221 - 2²⁶ = 111032911357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100020211) 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, 1293026 + ... + 1376268.

It is an arithmetic number, because the mean of its divisors is an integer number (13918979508).

Almost surely, 2^111100020221 is an apocalyptic number.

It is an amenable number.

111100020221 is a deficient number, since it is larger than the sum of its proper divisors (251815843).

111100020221 is an equidigital number, since it uses as much as digits as its factorization.

111100020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86251.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111100020221 its reverse (122020001111), we get a palindrome (233120021332).

The spelling of 111100020221 in words is "one hundred eleven billion, one hundred million, twenty thousand, two hundred twenty-one".