111210220201222 has 16 divisors (see below), whose sum is σ = 167446371178800. Its totient is φ = 55395054685152.

The previous prime is 111210220201163. The next prime is 111210220201231. The reversal of 111210220201222 is 222102022012111.

It is a self number, because there is not a number n which added to its sum of digits gives 111210220201222.

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, 72122248 + ... + 73648075.

It is an arithmetic number, because the mean of its divisors is an integer number (10465398198675).

Almost surely, 2^{111210220201222} is an apocalyptic number.

111210220201222 is a deficient number, since it is larger than the sum of its proper divisors (56236150977578).

111210220201222 is a wasteful number, since it uses less digits than its factorization.

111210220201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145771767.

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

Adding to 111210220201222 its reverse (222102022012111), we get a palindrome (333312242213333).

The spelling of 111210220201222 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twenty million, two hundred one thousand, two hundred twenty-two".