1000021122211 has 8 divisors (see below), whose sum is σ = 1005003823824. Its totient is φ = 995043485280.

The previous prime is 1000021122169. The next prime is 1000021122253. The reversal of 1000021122211 is 1122211200001.

It is an interprime number because it is at equal distance from previous prime (1000021122169) and next prime (1000021122253).

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 1000021122211 - 2⁹ = 1000021121699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000021122191 and 1000021122200.

It is not an unprimeable number, because it can be changed into a prime (1000021126211) 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 7 ways as a sum of consecutive naturals, for example, 869980 + ... + 1660393.

It is an arithmetic number, because the mean of its divisors is an integer number (125625477978).

Almost surely, 2^{1000021122211} is an apocalyptic number.

1000021122211 is a deficient number, since it is larger than the sum of its proper divisors (4982701613).

1000021122211 is a wasteful number, since it uses less digits than its factorization.

1000021122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532341.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1000021122211 its reverse (1122211200001), we get a palindrome (2122232322212).

The spelling of 1000021122211 in words is "one trillion, twenty-one million, one hundred twenty-two thousand, two hundred eleven".