1000222212001 has 16 divisors (see below), whose sum is σ = 1016377442496. Its totient is φ = 984135626496.

The previous prime is 1000222211999. The next prime is 1000222212071. The reversal of 1000222212001 is 1002122220001.

It is a happy number.

It is not a de Polignac number, because 1000222212001 - 2¹ = 1000222211999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000222212071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72039606 + ... + 72053488.

It is an arithmetic number, because the mean of its divisors is an integer number (63523590156).

Almost surely, 2^{1000222212001} is an apocalyptic number.

It is an amenable number.

1000222212001 is a deficient number, since it is larger than the sum of its proper divisors (16155230495).

1000222212001 is a wasteful number, since it uses less digits than its factorization.

1000222212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16272.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000222212001 its reverse (1002122220001), we get a palindrome (2002344432002).

The spelling of 1000222212001 in words is "one trillion, two hundred twenty-two million, two hundred twelve thousand, one".