111321220003 has 32 divisors (see below), whose sum is σ = 135833448960. Its totient is φ = 89057871360.

The previous prime is 111321219979. The next prime is 111321220057. The reversal of 111321220003 is 300022123111.

It is a cyclic number.

It is not a de Polignac number, because 111321220003 - 2²⁵ = 111287665571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111321220303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7938268 + ... + 7952278.

It is an arithmetic number, because the mean of its divisors is an integer number (4244795280).

Almost surely, 2^111321220003 is an apocalyptic number.

111321220003 is a deficient number, since it is larger than the sum of its proper divisors (24512228957).

111321220003 is a wasteful number, since it uses less digits than its factorization.

111321220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14587.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111321220003 its reverse (300022123111), we get a palindrome (411343343114).

The spelling of 111321220003 in words is "one hundred eleven billion, three hundred twenty-one million, two hundred twenty thousand, three".