122221121221002 has 8 divisors (see below), whose sum is σ = 244442242442016. Its totient is φ = 40740373740332.

The previous prime is 122221121220997. The next prime is 122221121221033. The reversal of 122221121221002 is 200122121122221.

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

122221121221002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 122221121221002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10185093435078 + ... + 10185093435089.

It is an arithmetic number, because the mean of its divisors is an integer number (30555280305252).

Almost surely, 2^{122221121221002} is an apocalyptic number.

122221121221002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122221121221002 is a wasteful number, since it uses less digits than its factorization.

122221121221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20370186870172.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122221121221002 its reverse (200122121122221), we get a palindrome (322343242343223).

The spelling of 122221121221002 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twenty-one thousand, two".