122020020211 has 4 divisors (see below), whose sum is σ = 122028416992. Its totient is φ = 122011623432.

The previous prime is 122020020193. The next prime is 122020020223. The reversal of 122020020211 is 112020020221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122020020211 - 2⁹ = 122020019699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122020020191 and 122020020200.

It is not an unprimeable number, because it can be changed into a prime (122020020011) 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, 4176555 + ... + 4205668.

It is an arithmetic number, because the mean of its divisors is an integer number (30507104248).

Almost surely, 2^122020020211 is an apocalyptic number.

122020020211 is a deficient number, since it is larger than the sum of its proper divisors (8396781).

122020020211 is an equidigital number, since it uses as much as digits as its factorization.

122020020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8396780.

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

Adding to 122020020211 its reverse (112020020221), we get a palindrome (234040040432).

The spelling of 122020020211 in words is "one hundred twenty-two billion, twenty million, twenty thousand, two hundred eleven".