10221021102211 has 4 divisors (see below), whose sum is σ = 10233470580624. Its totient is φ = 10208571623800.

The previous prime is 10221021102151. The next prime is 10221021102217. The reversal of 10221021102211 is 11220112012201.

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 10221021102211 - 2³⁵ = 10186661363843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221021102217) 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, 6224737975 + ... + 6224739616.

It is an arithmetic number, because the mean of its divisors is an integer number (2558367645156).

Almost surely, 2^{10221021102211} is an apocalyptic number.

10221021102211 is a deficient number, since it is larger than the sum of its proper divisors (12449478413).

10221021102211 is an equidigital number, since it uses as much as digits as its factorization.

10221021102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12449478412.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10221021102211 its reverse (11220112012201), we get a palindrome (21441133114412).

The spelling of 10221021102211 in words is "ten trillion, two hundred twenty-one billion, twenty-one million, one hundred two thousand, two hundred eleven".