122221122002 has 32 divisors (see below), whose sum is σ = 211995608832. Its totient is φ = 51765689664.

The previous prime is 122221121987. The next prime is 122221122013. The reversal of 122221122002 is 200221122221.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 253388 + ... + 555560.

It is an arithmetic number, because the mean of its divisors is an integer number (6624862776).

Almost surely, 2^122221122002 is an apocalyptic number.

122221122002 is a deficient number, since it is larger than the sum of its proper divisors (89774486830).

122221122002 is a wasteful number, since it uses less digits than its factorization.

122221122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302522.

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

Adding to 122221122002 its reverse (200221122221), we get a palindrome (322442244223).

The spelling of 122221122002 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, two".