122121210102 has 16 divisors (see below), whose sum is σ = 250843567152. Its totient is φ = 39606878880.

The previous prime is 122121210041. The next prime is 122121210131. The reversal of 122121210102 is 201012121221.

122121210102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 275047549 + ... + 275047992.

It is an arithmetic number, because the mean of its divisors is an integer number (15677722947).

Almost surely, 2^122121210102 is an apocalyptic number.

122121210102 is an abundant number, since it is smaller than the sum of its proper divisors (128722357050).

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

122121210102 is a wasteful number, since it uses less digits than its factorization.

122121210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550095583.

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

Adding to 122121210102 its reverse (201012121221), we get a palindrome (323133331323).

The spelling of 122121210102 in words is "one hundred twenty-two billion, one hundred twenty-one million, two hundred ten thousand, one hundred two".