122002221122 has 8 divisors (see below), whose sum is σ = 183075133500. Its totient is φ = 60977176624.

The previous prime is 122002221109. The next prime is 122002221137. The reversal of 122002221122 is 221122200221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121962291361 + 39929761 = 349231^2 + 6319^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 122002221122.

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, 11960597 + ... + 11970792.

Almost surely, 2^122002221122 is an apocalyptic number.

122002221122 is a deficient number, since it is larger than the sum of its proper divisors (61072912378).

122002221122 is a wasteful number, since it uses less digits than its factorization.

122002221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23933940.

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

Adding to 122002221122 its reverse (221122200221), we get a palindrome (343124421343).

It can be divided in two parts, 12200 and 2221122, that added together give a palindrome (2233322).

The spelling of 122002221122 in words is "one hundred twenty-two billion, two million, two hundred twenty-one thousand, one hundred twenty-two".