111221056868 has 12 divisors (see below), whose sum is σ = 200915457792. Its totient is φ = 53816640360.

The previous prime is 111221056861. The next prime is 111221056927. The reversal of 111221056868 is 868650122111.

It is not an unprimeable number, because it can be changed into a prime (111221056861) 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, 448471880 + ... + 448472127.

It is an arithmetic number, because the mean of its divisors is an integer number (16742954816).

Almost surely, 2^111221056868 is an apocalyptic number.

It is an amenable number.

111221056868 is a deficient number, since it is larger than the sum of its proper divisors (89694400924).

111221056868 is a wasteful number, since it uses less digits than its factorization.

111221056868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896944042 (or 896944040 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 41.

Adding to 111221056868 its reverse (868650122111), we get a palindrome (979871178979).

The spelling of 111221056868 in words is "one hundred eleven billion, two hundred twenty-one million, fifty-six thousand, eight hundred sixty-eight".