111102121102102 has 32 divisors (see below), whose sum is σ = 183739369968000. Its totient is φ = 50064176314368.

The previous prime is 111102121102079. The next prime is 111102121102151. The reversal of 111102121102102 is 201201121201111.

It is a super-2 number, since 2×111102121102102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110647227 + ... + 111646822.

It is an arithmetic number, because the mean of its divisors is an integer number (5741855311500).

Almost surely, 2^{111102121102102} is an apocalyptic number.

111102121102102 is a deficient number, since it is larger than the sum of its proper divisors (72637248865898).

111102121102102 is a wasteful number, since it uses less digits than its factorization.

111102121102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222294520.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111102121102102 its reverse (201201121201111), we get a palindrome (312303242303213).

Subtracting 111102121102102 from its reverse (201201121201111), we obtain a palindrome (90099000099009).

The spelling of 111102121102102 in words is "one hundred eleven trillion, one hundred two billion, one hundred twenty-one million, one hundred two thousand, one hundred two".