122220022211 has 8 divisors (see below), whose sum is σ = 139682652000. Its totient is φ = 104758049088.

The previous prime is 122220022159. The next prime is 122220022237. The reversal of 122220022211 is 112220022221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122220022211 - 2⁶ = 122220022147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122220022211.

It is not an unprimeable number, because it can be changed into a prime (122220022261) 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, 336455 + ... + 598031.

It is an arithmetic number, because the mean of its divisors is an integer number (17460331500).

Almost surely, 2^122220022211 is an apocalyptic number.

122220022211 is a deficient number, since it is larger than the sum of its proper divisors (17462629789).

122220022211 is an equidigital number, since it uses as much as digits as its factorization.

122220022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328333.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122220022211 its reverse (112220022221), we get a palindrome (234440044432).

The spelling of 122220022211 in words is "one hundred twenty-two billion, two hundred twenty million, twenty-two thousand, two hundred eleven".