111101221102 has 16 divisors (see below), whose sum is σ = 173924508960. Its totient is φ = 53127133312.

The previous prime is 111101221093. The next prime is 111101221117. The reversal of 111101221102 is 201122101111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118338 + ... + 486010.

It is an arithmetic number, because the mean of its divisors is an integer number (10870281810).

Almost surely, 2^111101221102 is an apocalyptic number.

111101221102 is a deficient number, since it is larger than the sum of its proper divisors (62823287858).

111101221102 is a wasteful number, since it uses less digits than its factorization.

111101221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374267.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111101221102 its reverse (201122101111), we get a palindrome (312223322213).

The spelling of 111101221102 in words is "one hundred eleven billion, one hundred one million, two hundred twenty-one thousand, one hundred two".