222120012011111 has 8 divisors (see below), whose sum is σ = 227302188111504. Its totient is φ = 216938590202880.

The previous prime is 222120012011101. The next prime is 222120012011129. The reversal of 222120012011111 is 111110210021222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222120012011111 - 2¹⁰ = 222120012010087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222120012011111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120012011101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187977200 + ... + 189155141.

It is an arithmetic number, because the mean of its divisors is an integer number (28412773513938).

Almost surely, 2^{222120012011111} is an apocalyptic number.

222120012011111 is a deficient number, since it is larger than the sum of its proper divisors (5182176100393).

222120012011111 is a wasteful number, since it uses less digits than its factorization.

222120012011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377146081.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222120012011111 its reverse (111110210021222), we get a palindrome (333230222032333).

The spelling of 222120012011111 in words is "two hundred twenty-two trillion, one hundred twenty billion, twelve million, eleven thousand, one hundred eleven".