22221121020211 has 8 divisors (see below), whose sum is σ = 22254031010304. Its totient is φ = 22188212129160.

The previous prime is 22221121020199. The next prime is 22221121020223. The reversal of 22221121020211 is 11202012112222.

It is an interprime number because it is at equal distance from previous prime (22221121020199) and next prime (22221121020223).

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 22221121020211 - 2³¹ = 22218973536563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221121020251) 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, 45934966 + ... + 46416196.

It is an arithmetic number, because the mean of its divisors is an integer number (2781753876288).

Almost surely, 2^{22221121020211} is an apocalyptic number.

22221121020211 is a deficient number, since it is larger than the sum of its proper divisors (32909990093).

22221121020211 is an equidigital number, since it uses as much as digits as its factorization.

22221121020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549521.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22221121020211 its reverse (11202012112222), we get a palindrome (33423133132433).

The spelling of 22221121020211 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, twenty thousand, two hundred eleven".