122100021106 has 32 divisors (see below), whose sum is σ = 210100060800. Its totient is φ = 52132415616.

The previous prime is 122100021089. The next prime is 122100021107. The reversal of 122100021106 is 601120001221.

122100021106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 122100021106.

It is not an unprimeable number, because it can be changed into a prime (122100021107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5818525 + ... + 5839471.

It is an arithmetic number, because the mean of its divisors is an integer number (6565626900).

Almost surely, 2^122100021106 is an apocalyptic number.

122100021106 is a deficient number, since it is larger than the sum of its proper divisors (88000039694).

122100021106 is a wasteful number, since it uses less digits than its factorization.

122100021106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22498.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122100021106 its reverse (601120001221), we get a palindrome (723220022327).

The spelling of 122100021106 in words is "one hundred twenty-two billion, one hundred million, twenty-one thousand, one hundred six".