111223011203312 has 10 divisors (see below), whose sum is σ = 215494584206448. Its totient is φ = 55611505601648.

The previous prime is 111223011203287. The next prime is 111223011203329. The reversal of 111223011203312 is 213302110322111.

It is a happy number.

It is a super-2 number, since 2×111223011203312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3475719100088 + ... + 3475719100119.

Almost surely, 2^{111223011203312} is an apocalyptic number.

It is an amenable number.

111223011203312 is a deficient number, since it is larger than the sum of its proper divisors (104271573003136).

111223011203312 is an equidigital number, since it uses as much as digits as its factorization.

111223011203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951438200215 (or 6951438200209 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 111223011203312 its reverse (213302110322111), we get a palindrome (324525121525423).

The spelling of 111223011203312 in words is "one hundred eleven trillion, two hundred twenty-three billion, eleven million, two hundred three thousand, three hundred twelve".