111322123203 has 4 divisors (see below), whose sum is σ = 148429497608. Its totient is φ = 74214748800.

The previous prime is 111322123201. The next prime is 111322123243. The reversal of 111322123203 is 302321223111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302321223111 = 3 ⋅100773741037.

It is not a de Polignac number, because 111322123203 - 2¹ = 111322123201 is a prime.

It is a super-2 number, since 2×111322123203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111322123203.

It is not an unprimeable number, because it can be changed into a prime (111322123201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18553687198 + ... + 18553687203.

It is an arithmetic number, because the mean of its divisors is an integer number (37107374402).

Almost surely, 2^111322123203 is an apocalyptic number.

111322123203 is a deficient number, since it is larger than the sum of its proper divisors (37107374405).

111322123203 is an equidigital number, since it uses as much as digits as its factorization.

111322123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37107374404.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111322123203 its reverse (302321223111), we get a palindrome (413643346314).

The spelling of 111322123203 in words is "one hundred eleven billion, three hundred twenty-two million, one hundred twenty-three thousand, two hundred three".