111221000211102 has 64 divisors (see below), whose sum is σ = 228297229526016. Its totient is φ = 36101251197440.

The previous prime is 111221000211089. The next prime is 111221000211107. The reversal of 111221000211102 is 201112000122111.

It is a happy number.

It is a super-2 number, since 2×111221000211102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221000211107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401928763 + ... + 402205385.

It is an arithmetic number, because the mean of its divisors is an integer number (3567144211344).

Almost surely, 2^{111221000211102} is an apocalyptic number.

111221000211102 is an abundant number, since it is smaller than the sum of its proper divisors (117076229314914).

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

111221000211102 is a wasteful number, since it uses less digits than its factorization.

111221000211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279745.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111221000211102 its reverse (201112000122111), we get a palindrome (312333000333213).

The spelling of 111221000211102 in words is "one hundred eleven trillion, two hundred twenty-one billion, two hundred eleven thousand, one hundred two".