111012220203 has 16 divisors (see below), whose sum is σ = 150854115840. Its totient is φ = 72598480416.

The previous prime is 111012220171. The next prime is 111012220261. The reversal of 111012220203 is 302022210111.

It is not a de Polignac number, because 111012220203 - 2⁵ = 111012220171 is a prime.

It is a super-2 number, since 2×111012220203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111012220903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107400 + ... + 1203477.

It is an arithmetic number, because the mean of its divisors is an integer number (9428382240).

Almost surely, 2^111012220203 is an apocalyptic number.

111012220203 is a deficient number, since it is larger than the sum of its proper divisors (39841895637).

111012220203 is a wasteful number, since it uses less digits than its factorization.

111012220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311186.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 111012220203 its reverse (302022210111), we get a palindrome (413034430314).

The spelling of 111012220203 in words is "one hundred eleven billion, twelve million, two hundred twenty thousand, two hundred three".