111221101011022 has 32 divisors (see below), whose sum is σ = 167847292800000. Its totient is φ = 55273027019808.

The previous prime is 111221101010947. The next prime is 111221101011047. The reversal of 111221101011022 is 220110101122111.

It is a junction number, because it is equal to n+sod(n) for n = 111221101010987 and 111221101011005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996557979 + ... + 996669577.

It is an arithmetic number, because the mean of its divisors is an integer number (5245227900000).

Almost surely, 2^{111221101011022} is an apocalyptic number.

111221101011022 is a deficient number, since it is larger than the sum of its proper divisors (56626191788978).

111221101011022 is a wasteful number, since it uses less digits than its factorization.

111221101011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116160.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111221101011022 its reverse (220110101122111), we get a palindrome (331331202133133).

The spelling of 111221101011022 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred one million, eleven thousand, twenty-two".