122020211122 has 4 divisors (see below), whose sum is σ = 183030316686. Its totient is φ = 61010105560.

The previous prime is 122020211111. The next prime is 122020211197. The reversal of 122020211122 is 221112020221.

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: 221112020221 = 1039 ⋅212812339.

It can be written as a sum of positive squares in only one way, i.e., 103440067641 + 18580143481 = 321621^2 + 136309^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122020211096 and 122020211105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30505052779 + ... + 30505052782.

Almost surely, 2^122020211122 is an apocalyptic number.

122020211122 is a deficient number, since it is larger than the sum of its proper divisors (61010105564).

122020211122 is an equidigital number, since it uses as much as digits as its factorization.

122020211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61010105563.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122020211122 its reverse (221112020221), we get a palindrome (343132231343).

The spelling of 122020211122 in words is "one hundred twenty-two billion, twenty million, two hundred eleven thousand, one hundred twenty-two".