111201012112222 has 16 divisors (see below), whose sum is σ = 167373936737280. Its totient is φ = 55410013952568.

The previous prime is 111201012112219. The next prime is 111201012112231. The reversal of 111201012112222 is 222211210102111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111201012112222.

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, 77812822 + ... + 79229017.

It is an arithmetic number, because the mean of its divisors is an integer number (10460871046080).

Almost surely, 2^{111201012112222} is an apocalyptic number.

111201012112222 is a deficient number, since it is larger than the sum of its proper divisors (56172924625058).

111201012112222 is a wasteful number, since it uses less digits than its factorization.

111201012112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157043055.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111201012112222 its reverse (222211210102111), we get a palindrome (333412222214333).

The spelling of 111201012112222 in words is "one hundred eleven trillion, two hundred one billion, twelve million, one hundred twelve thousand, two hundred twenty-two".