122220000211 has 4 divisors (see below), whose sum is σ = 122373351072. Its totient is φ = 122066649352.

The previous prime is 122220000179. The next prime is 122220000283. The reversal of 122220000211 is 112000022221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112000022221 = 99527 ⋅1125323.

It is a cyclic number.

It is not a de Polignac number, because 122220000211 - 2⁵ = 122220000179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122220000191 and 122220000200.

It is not an unprimeable number, because it can be changed into a prime (122220000611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76674235 + ... + 76675828.

It is an arithmetic number, because the mean of its divisors is an integer number (30593337768).

Almost surely, 2^122220000211 is an apocalyptic number.

122220000211 is a deficient number, since it is larger than the sum of its proper divisors (153350861).

122220000211 is an equidigital number, since it uses as much as digits as its factorization.

122220000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153350860.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122220000211 its reverse (112000022221), we get a palindrome (234220022432).

The spelling of 122220000211 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred eleven", and thus it is an aban number.