222112110211001 has 4 divisors (see below), whose sum is σ = 222245350830672. Its totient is φ = 221978869591332.

The previous prime is 222112110210961. The next prime is 222112110211009. The reversal of 222112110211001 is 100112011211222.

222112110211001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222112110211001 - 2³⁸ = 221837232304057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222112110211009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66620307335 + ... + 66620310668.

It is an arithmetic number, because the mean of its divisors is an integer number (55561337707668).

Almost surely, 2^{222112110211001} is an apocalyptic number.

It is an amenable number.

222112110211001 is a deficient number, since it is larger than the sum of its proper divisors (133240619671).

222112110211001 is a wasteful number, since it uses less digits than its factorization.

222112110211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133240619670.

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

Adding to 222112110211001 its reverse (100112011211222), we get a palindrome (322224121422223).

The spelling of 222112110211001 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred ten million, two hundred eleven thousand, one".