111111210020222 has 16 divisors (see below), whose sum is σ = 166938658260192. Its totient is φ = 55465007533920.

The previous prime is 111111210020221. The next prime is 111111210020273. The reversal of 111111210020222 is 222020012111111.

It is a self number, because there is not a number n which added to its sum of digits gives 111111210020222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111210020221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8911583 + ... + 17367749.

It is an arithmetic number, because the mean of its divisors is an integer number (10433666141262).

Almost surely, 2^{111111210020222} is an apocalyptic number.

111111210020222 is a deficient number, since it is larger than the sum of its proper divisors (55827448239970).

111111210020222 is a wasteful number, since it uses less digits than its factorization.

111111210020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8466883.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111111210020222 its reverse (222020012111111), we get a palindrome (333131222131333).

The spelling of 111111210020222 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred ten million, twenty thousand, two hundred twenty-two".