111213212203 has 8 divisors (see below), whose sum is σ = 117758430720. Its totient is φ = 104668356480.

The previous prime is 111213212197. The next prime is 111213212249. The reversal of 111213212203 is 302212312111.

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 111213212203 - 2⁵ = 111213212171 is a prime.

It is a super-2 number, since 2×111213212203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111213212263) 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, 778518 + ... + 910228.

It is an arithmetic number, because the mean of its divisors is an integer number (14719803840).

Almost surely, 2^111213212203 is an apocalyptic number.

111213212203 is a deficient number, since it is larger than the sum of its proper divisors (6545218517).

111213212203 is a wasteful number, since it uses less digits than its factorization.

111213212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181397.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111213212203 its reverse (302212312111), we get a palindrome (413425524314).

The spelling of 111213212203 in words is "one hundred eleven billion, two hundred thirteen million, two hundred twelve thousand, two hundred three".