10021220012211 has 4 divisors (see below), whose sum is σ = 13361626682952. Its totient is φ = 6680813341472.

The previous prime is 10021220012207. The next prime is 10021220012281. The reversal of 10021220012211 is 11221002212001.

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 10021220012211 - 2² = 10021220012207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10021220012281) 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, 1670203335366 + ... + 1670203335371.

It is an arithmetic number, because the mean of its divisors is an integer number (3340406670738).

Almost surely, 2^{10021220012211} is an apocalyptic number.

10021220012211 is a deficient number, since it is larger than the sum of its proper divisors (3340406670741).

10021220012211 is an equidigital number, since it uses as much as digits as its factorization.

10021220012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340406670740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10021220012211 its reverse (11221002212001), we get a palindrome (21242222224212).

The spelling of 10021220012211 in words is "ten trillion, twenty-one billion, two hundred twenty million, twelve thousand, two hundred eleven".