10111221111102 has 64 divisors (see below), whose sum is σ = 21212988963840. Its totient is φ = 3209224427136.

The previous prime is 10111221111073. The next prime is 10111221111221. The reversal of 10111221111102 is 20111112211101.

It is a congruent number.

It is an unprimeable number.

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, 119604424 + ... + 119688932.

It is an arithmetic number, because the mean of its divisors is an integer number (331452952560).

Almost surely, 2^{10111221111102} is an apocalyptic number.

10111221111102 is an abundant number, since it is smaller than the sum of its proper divisors (11101767852738).

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

10111221111102 is a wasteful number, since it uses less digits than its factorization.

10111221111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96065.

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

Adding to 10111221111102 its reverse (20111112211101), we get a palindrome (30222333322203).

The spelling of 10111221111102 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one million, one hundred eleven thousand, one hundred two".