222101001001 has 4 divisors (see below), whose sum is σ = 242292001104. Its totient is φ = 201910000900.

The previous prime is 222101000983. The next prime is 222101001013. The reversal of 222101001001 is 100100101222.

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 222101001001 - 2⁷ = 222101000873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222101002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10095500035 + ... + 10095500056.

It is an arithmetic number, because the mean of its divisors is an integer number (60573000276).

Almost surely, 2^222101001001 is an apocalyptic number.

It is an amenable number.

222101001001 is a deficient number, since it is larger than the sum of its proper divisors (20191000103).

222101001001 is a wasteful number, since it uses less digits than its factorization.

222101001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191000102.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 222101001001 its reverse (100100101222), we get a palindrome (322201102223).

The spelling of 222101001001 in words is "two hundred twenty-two billion, one hundred one million, one thousand, one".