10111221022222 has 16 divisors (see below), whose sum is σ = 15921027021312. Its totient is φ = 4806844460440.

The previous prime is 10111221022181. The next prime is 10111221022229. The reversal of 10111221022222 is 22222012211101.

It is a self number, because there is not a number n which added to its sum of digits gives 10111221022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111221022229) 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 7 ways as a sum of consecutive naturals, for example, 658103554 + ... + 658118917.

It is an arithmetic number, because the mean of its divisors is an integer number (995064188832).

Almost surely, 2^{10111221022222} is an apocalyptic number.

10111221022222 is a deficient number, since it is larger than the sum of its proper divisors (5809805999090).

10111221022222 is a wasteful number, since it uses less digits than its factorization.

10111221022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316222663.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10111221022222 its reverse (22222012211101), we get a palindrome (32333233233323).

The spelling of 10111221022222 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one million, twenty-two thousand, two hundred twenty-two".