22220022211 has 2 divisors, whose sum is σ = 22220022212. Its totient is φ = 22220022210.

The previous prime is 22220022173. The next prime is 22220022221. The reversal of 22220022211 is 11222002222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22220022211 - 2¹⁷ = 22219891139 is a prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (22220022221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110011105 + 11110011106.

It is an arithmetic number, because the mean of its divisors is an integer number (11110011106).

Almost surely, 2^22220022211 is an apocalyptic number.

22220022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220022211 is an equidigital number, since it uses as much as digits as its factorization.

22220022211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22220022211 its reverse (11222002222), we get a palindrome (33442024433).

It can be divided in two parts, 2222002221 and 1, that added together give a palindrome (2222002222).

The spelling of 22220022211 in words is "twenty-two billion, two hundred twenty million, twenty-two thousand, two hundred eleven".