1000020021211 has 8 divisors (see below), whose sum is σ = 1063187817120. Its totient is φ = 938492947392.

The previous prime is 1000020021173. The next prime is 1000020021251. The reversal of 1000020021211 is 1121200200001.

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 1000020021211 - 2⁷ = 1000020021083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000020021251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410179266 + ... + 410181703.

It is an arithmetic number, because the mean of its divisors is an integer number (132898477140).

Almost surely, 2^{1000020021211} is an apocalyptic number.

1000020021211 is a deficient number, since it is larger than the sum of its proper divisors (63167795909).

1000020021211 is an equidigital number, since it uses as much as digits as its factorization.

1000020021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820361045.

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

Adding to 1000020021211 its reverse (1121200200001), we get a palindrome (2121220221212).

The spelling of 1000020021211 in words is "one trillion, twenty million, twenty-one thousand, two hundred eleven".