111100212111102 has 16 divisors (see below), whose sum is σ = 222200540295312. Its totient is φ = 37033384691520.

The previous prime is 111100212111089. The next prime is 111100212111131. The reversal of 111100212111102 is 201111212001111.

It is a super-2 number, since 2×111100212111102² (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 7 ways as a sum of consecutive naturals, for example, 12250152 + ... + 19294212.

It is an arithmetic number, because the mean of its divisors is an integer number (13887533768457).

Almost surely, 2^{111100212111102} is an apocalyptic number.

111100212111102 is an abundant number, since it is smaller than the sum of its proper divisors (111100328184210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111100212111102 is a wasteful number, since it uses less digits than its factorization.

111100212111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672763.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111100212111102 its reverse (201111212001111), we get a palindrome (312211424112213).

The spelling of 111100212111102 in words is "one hundred eleven trillion, one hundred billion, two hundred twelve million, one hundred eleven thousand, one hundred two".