122121110202 has 128 divisors (see below), whose sum is σ = 312642355200. Its totient is φ = 30940206336.

The previous prime is 122121110197. The next prime is 122121110219. The reversal of 122121110202 is 202011121221.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1557699 + ... + 1634217.

It is an arithmetic number, because the mean of its divisors is an integer number (2442518400).

Almost surely, 2^122121110202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122121110202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156321177600).

122121110202 is an abundant number, since it is smaller than the sum of its proper divisors (190521244998).

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

122121110202 is a wasteful number, since it uses less digits than its factorization.

122121110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76660.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122121110202 its reverse (202011121221), we get a palindrome (324132231423).

The spelling of 122121110202 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred ten thousand, two hundred two".