111222012056 has 8 divisors (see below), whose sum is σ = 208541272620. Its totient is φ = 55611006024.

The previous prime is 111222012043. The next prime is 111222012059. The reversal of 111222012056 is 650210222111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×111222012056³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222012059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6951375746 + ... + 6951375761.

Almost surely, 2^111222012056 is an apocalyptic number.

It is an amenable number.

111222012056 is a deficient number, since it is larger than the sum of its proper divisors (97319260564).

111222012056 is a wasteful number, since it uses less digits than its factorization.

111222012056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13902751513 (or 13902751509 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 111222012056 its reverse (650210222111), we get a palindrome (761432234167).

The spelling of 111222012056 in words is "one hundred eleven billion, two hundred twenty-two million, twelve thousand, fifty-six".