22011211222211 has 8 divisors (see below), whose sum is σ = 23170052978880. Its totient is φ = 20852405161128.

The previous prime is 22011211222199. The next prime is 22011211222243. The reversal of 22011211222211 is 11222211211022.

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 22011211222211 - 2²⁶ = 22011144113347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011211222261) 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, 7653521 + ... + 10129106.

It is an arithmetic number, because the mean of its divisors is an integer number (2896256622360).

Almost surely, 2^{22011211222211} is an apocalyptic number.

22011211222211 is a deficient number, since it is larger than the sum of its proper divisors (1158841756669).

22011211222211 is a wasteful number, since it uses less digits than its factorization.

22011211222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17847793.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22011211222211 its reverse (11222211211022), we get a palindrome (33233422433233).

The spelling of 22011211222211 in words is "twenty-two trillion, eleven billion, two hundred eleven million, two hundred twenty-two thousand, two hundred eleven".