2222212001001 has 8 divisors (see below), whose sum is σ = 3091773218880. Its totient is φ = 1417062725232.

The previous prime is 2222212000993. The next prime is 2222212001027. The reversal of 2222212001001 is 1001002122222.

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

It is not a de Polignac number, because 2222212001001 - 2³ = 2222212000993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2222212001071) 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 7 ways as a sum of consecutive naturals, for example, 16102985446 + ... + 16102985583.

It is an arithmetic number, because the mean of its divisors is an integer number (386471652360).

Almost surely, 2^{2222212001001} is an apocalyptic number.

It is an amenable number.

2222212001001 is a deficient number, since it is larger than the sum of its proper divisors (869561217879).

2222212001001 is a wasteful number, since it uses less digits than its factorization.

2222212001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32205971055.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2222212001001 its reverse (1001002122222), we get a palindrome (3223214123223).

It can be divided in two parts, 222221 and 2001001, that added together give a palindrome (2223222).

The spelling of 2222212001001 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, one thousand, one".