1000210221011 has 4 divisors (see below), whose sum is σ = 1004950554024. Its totient is φ = 995469888000.

The previous prime is 1000210221007. The next prime is 1000210221019. The reversal of 1000210221011 is 1101220120001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000210221011 - 2² = 1000210221007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000210220983 and 1000210221001.

It is not an unprimeable number, because it can be changed into a prime (1000210221019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370166190 + ... + 2370166611.

It is an arithmetic number, because the mean of its divisors is an integer number (251237638506).

Almost surely, 2^{1000210221011} is an apocalyptic number.

1000210221011 is a deficient number, since it is larger than the sum of its proper divisors (4740333013).

1000210221011 is an equidigital number, since it uses as much as digits as its factorization.

1000210221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740333012.

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

Adding to 1000210221011 its reverse (1101220120001), we get a palindrome (2101430341012).

It can be divided in two parts, 1000210 and 221011, that added together give a palindrome (1221221).

The spelling of 1000210221011 in words is "one trillion, two hundred ten million, two hundred twenty-one thousand, eleven".