122220121002 has 16 divisors (see below), whose sum is σ = 279360276672. Its totient is φ = 34920034560.

The previous prime is 122220120973. The next prime is 122220121033. The reversal of 122220121002 is 200121022221.

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 in 7 ways as a sum of consecutive naturals, for example, 1455001399 + ... + 1455001482.

It is an arithmetic number, because the mean of its divisors is an integer number (17460017292).

Almost surely, 2^122220121002 is an apocalyptic number.

122220121002 is an abundant number, since it is smaller than the sum of its proper divisors (157140155670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122220121002 is a wasteful number, since it uses less digits than its factorization.

122220121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910002893.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122220121002 its reverse (200121022221), we get a palindrome (322341143223).

The spelling of 122220121002 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred twenty-one thousand, two".