111111210221303 has 8 divisors (see below), whose sum is σ = 111579354643200. Its totient is φ = 110643092832888.

The previous prime is 111111210221299. The next prime is 111111210221329. The reversal of 111111210221303 is 303122012111111.

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 111111210221303 - 2² = 111111210221299 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 (111111210221203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500428 + ... + 14982446.

It is an arithmetic number, because the mean of its divisors is an integer number (13947419330400).

Almost surely, 2^{111111210221303} is an apocalyptic number.

111111210221303 is a deficient number, since it is larger than the sum of its proper divisors (468144421897).

111111210221303 is a wasteful number, since it uses less digits than its factorization.

111111210221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13516741.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 111111210221303 its reverse (303122012111111), we get a palindrome (414233222332414).

The spelling of 111111210221303 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred ten million, two hundred twenty-one thousand, three hundred three".