222001110111001 has 8 divisors (see below), whose sum is σ = 239090903085384. Its totient is φ = 204913143494400.

The previous prime is 222001110110993. The next prime is 222001110111019. The reversal of 222001110111001 is 100111011100222.

It is a happy number.

222001110111001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14828267861001 + 207172842250000 = 3850749^2 + 14393500^2 .

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 222001110111001 - 2³ = 222001110110993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222001110111031) 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, 456336976 + ... + 456823201.

It is an arithmetic number, because the mean of its divisors is an integer number (29886362885673).

Almost surely, 2^{222001110111001} is an apocalyptic number.

It is an amenable number.

222001110111001 is a deficient number, since it is larger than the sum of its proper divisors (17089792974383).

222001110111001 is a wasteful number, since it uses less digits than its factorization.

222001110111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913178891.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 222001110111001 its reverse (100111011100222), we get a palindrome (322112121211223).

The spelling of 222001110111001 in words is "two hundred twenty-two trillion, one billion, one hundred ten million, one hundred eleven thousand, one".