122220120122 has 8 divisors (see below), whose sum is σ = 183331678836. Its totient is φ = 61109560512.

The previous prime is 122220120107. The next prime is 122220120137. The reversal of 122220120122 is 221021022221.

It is a happy number.

122220120122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (122220120107) and next prime (122220120137).

It can be written as a sum of positive squares in 2 ways, for example, as 83984619601 + 38235500521 = 289801^2 + 195539^2 .

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

It is a super-2 number, since 2×122220120122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122220120122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285308 + ... + 570824.

Almost surely, 2^122220120122 is an apocalyptic number.

122220120122 is a deficient number, since it is larger than the sum of its proper divisors (61111558714).

122220120122 is a wasteful number, since it uses less digits than its factorization.

122220120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499552.

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

Adding to 122220120122 its reverse (221021022221), we get a palindrome (343241142343).

The spelling of 122220120122 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, one hundred twenty-two".