1112212102221 has 16 divisors (see below), whose sum is σ = 1797514509120. Its totient is φ = 674067940560.

The previous prime is 1112212102201. The next prime is 1112212102231. The reversal of 1112212102221 is 1222012122111.

1112212102221 is a `hidden beast` number, since 1 + 11 + 221 + 210 + 2 + 221 = 666.

It is not a de Polignac number, because 1112212102221 - 2¹⁵ = 1112212069453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112212102194 and 1112212102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112212102201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1872410650 + ... + 1872411243.

It is an arithmetic number, because the mean of its divisors is an integer number (112344656820).

Almost surely, 2^{1112212102221} is an apocalyptic number.

1112212102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112212102221 is a deficient number, since it is larger than the sum of its proper divisors (685302406899).

1112212102221 is a wasteful number, since it uses less digits than its factorization.

1112212102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744821913 (or 3744821907 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1112212102221 its reverse (1222012122111), we get a palindrome (2334224224332).

The spelling of 1112212102221 in words is "one trillion, one hundred twelve billion, two hundred twelve million, one hundred two thousand, two hundred twenty-one".