122200221122 has 16 divisors (see below), whose sum is σ = 209501859840. Its totient is φ = 52367581728.

The previous prime is 122200221113. The next prime is 122200221133. The reversal of 122200221122 is 221122002221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122200221122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131747 + ... + 511622.

It is an arithmetic number, because the mean of its divisors is an integer number (13093866240).

Almost surely, 2^122200221122 is an apocalyptic number.

122200221122 is a deficient number, since it is larger than the sum of its proper divisors (87301638718).

122200221122 is a wasteful number, since it uses less digits than its factorization.

122200221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656945.

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

Adding to 122200221122 its reverse (221122002221), we get a palindrome (343322223343).

The spelling of 122200221122 in words is "one hundred twenty-two billion, two hundred million, two hundred twenty-one thousand, one hundred twenty-two".