1000021120211 has 8 divisors (see below), whose sum is σ = 1006288471824. Its totient is φ = 993755381760.

The previous prime is 1000021120207. The next prime is 1000021120213. The reversal of 1000021120211 is 1120211200001.

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 1000021120211 - 2² = 1000021120207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000021120192 and 1000021120201.

It is not an unprimeable number, because it can be changed into a prime (1000021120213) 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, 852635 + ... + 1651371.

It is an arithmetic number, because the mean of its divisors is an integer number (125786058978).

Almost surely, 2^{1000021120211} is an apocalyptic number.

1000021120211 is a deficient number, since it is larger than the sum of its proper divisors (6267351613).

1000021120211 is an equidigital number, since it uses as much as digits as its factorization.

1000021120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806581.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000021120211 its reverse (1120211200001), we get a palindrome (2120232320212).

The spelling of 1000021120211 in words is "one trillion, twenty-one million, one hundred twenty thousand, two hundred eleven".