22220212222211 has 16 divisors (see below), whose sum is σ = 23475867085440. Its totient is φ = 20997201039360.

The previous prime is 22220212222199. The next prime is 22220212222217. The reversal of 22220212222211 is 11222221202222.

It is a cyclic number.

It is not a de Polignac number, because 22220212222211 - 2¹⁴ = 22220212205827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220212222217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172023731 + ... + 172152851.

It is an arithmetic number, because the mean of its divisors is an integer number (1467241692840).

Almost surely, 2^{22220212222211} is an apocalyptic number.

22220212222211 is a deficient number, since it is larger than the sum of its proper divisors (1255654863229).

22220212222211 is a wasteful number, since it uses less digits than its factorization.

22220212222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255454.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22220212222211 its reverse (11222221202222), we get a palindrome (33442433424433).

The spelling of 22220212222211 in words is "twenty-two trillion, two hundred twenty billion, two hundred twelve million, two hundred twenty-two thousand, two hundred eleven".