2210221011211 has 4 divisors (see below), whose sum is σ = 2210357604112. Its totient is φ = 2210084418312.

The previous prime is 2210221011161. The next prime is 2210221011221. The reversal of 2210221011211 is 1121101220122.

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 2210221011211 - 2⁷ = 2210221011083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210221011221) 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, 68272176 + ... + 68304541.

It is an arithmetic number, because the mean of its divisors is an integer number (552589401028).

Almost surely, 2^{2210221011211} is an apocalyptic number.

2210221011211 is a deficient number, since it is larger than the sum of its proper divisors (136592901).

2210221011211 is a wasteful number, since it uses less digits than its factorization.

2210221011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136592900.

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

Adding to 2210221011211 its reverse (1121101220122), we get a palindrome (3331322231333).

The spelling of 2210221011211 in words is "two trillion, two hundred ten billion, two hundred twenty-one million, eleven thousand, two hundred eleven".