222010111121 has 12 divisors (see below), whose sum is σ = 233472211392. Its totient is φ = 211085811816.

The previous prime is 222010111111. The next prime is 222010111153. The reversal of 222010111121 is 121111010222.

222010111121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-222010111121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222010111096 and 222010111105.

It is not an unprimeable number, because it can be changed into a prime (222010111111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1168181 + ... + 1344866.

It is an arithmetic number, because the mean of its divisors is an integer number (19456017616).

Almost surely, 2^222010111121 is an apocalyptic number.

It is an amenable number.

222010111121 is a deficient number, since it is larger than the sum of its proper divisors (11462100271).

222010111121 is a wasteful number, since it uses less digits than its factorization.

222010111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513260 (or 2513237 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 222010111121 its reverse (121111010222), we get a palindrome (343121121343).

The spelling of 222010111121 in words is "two hundred twenty-two billion, ten million, one hundred eleven thousand, one hundred twenty-one".