221002022011211 has 8 divisors (see below), whose sum is σ = 255770875384320. Its totient is φ = 187032452623848.

The previous prime is 221002022011181. The next prime is 221002022011231. The reversal of 221002022011211 is 112110220200122.

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 221002022011211 - 2³⁸ = 220727144104267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221002022011211.

It is not an unprimeable number, because it can be changed into a prime (221002022011231) 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, 199820995841 + ... + 199820996946.

It is an arithmetic number, because the mean of its divisors is an integer number (31971359423040).

Almost surely, 2^{221002022011211} is an apocalyptic number.

221002022011211 is a deficient number, since it is larger than the sum of its proper divisors (34768853373109).

221002022011211 is an equidigital number, since it uses as much as digits as its factorization.

221002022011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399641992873.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221002022011211 its reverse (112110220200122), we get a palindrome (333112242211333).

The spelling of 221002022011211 in words is "two hundred twenty-one trillion, two billion, twenty-two million, eleven thousand, two hundred eleven".