111222201233 has 16 divisors (see below), whose sum is σ = 134881700352. Its totient is φ = 90322560000.

The previous prime is 111222201229. The next prime is 111222201241. The reversal of 111222201233 is 332102222111.

It is a cyclic number.

It is not a de Polignac number, because 111222201233 - 2² = 111222201229 is a prime.

It is a super-2 number, since 2×111222201233² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111222201253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12540368 + ... + 12549233.

It is an arithmetic number, because the mean of its divisors is an integer number (8430106272).

Almost surely, 2^111222201233 is an apocalyptic number.

111222201233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111222201233 is a deficient number, since it is larger than the sum of its proper divisors (23659499119).

111222201233 is a wasteful number, since it uses less digits than its factorization.

111222201233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25089656.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111222201233 its reverse (332102222111), we get a palindrome (443324423344).

The spelling of 111222201233 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred one thousand, two hundred thirty-three".