222111122000001 has 16 divisors (see below), whose sum is σ = 320960184143424. Its totient is φ = 135813170136384.

The previous prime is 222111121999909. The next prime is 222111122000011. The reversal of 222111122000001 is 100000221111222.

It is not a de Polignac number, because 222111122000001 - 2²³ = 222111113611393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222111122000011) 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, 18137436471 + ... + 18137448716.

It is an arithmetic number, because the mean of its divisors is an integer number (20060011508964).

Almost surely, 2^{222111122000001} is an apocalyptic number.

It is an amenable number.

222111122000001 is a deficient number, since it is larger than the sum of its proper divisors (98849062143423).

222111122000001 is a wasteful number, since it uses less digits than its factorization.

222111122000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36274885360.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222111122000001 its reverse (100000221111222), we get a palindrome (322111343111223).

The spelling of 222111122000001 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred twenty-two million, one", and thus it is an aban number.