122121330102 has 48 divisors (see below), whose sum is σ = 274513075200. Its totient is φ = 40689753192.

The previous prime is 122121330029. The next prime is 122121330103. The reversal of 122121330102 is 201033121221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121330103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1113543 + ... + 1218285.

It is an arithmetic number, because the mean of its divisors is an integer number (5719022400).

Almost surely, 2^122121330102 is an apocalyptic number.

122121330102 is an abundant number, since it is smaller than the sum of its proper divisors (152391745098).

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

122121330102 is a wasteful number, since it uses less digits than its factorization.

122121330102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107159 (or 107147 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122121330102 its reverse (201033121221), we get a palindrome (323154451323).

The spelling of 122121330102 in words is "one hundred twenty-two billion, one hundred twenty-one million, three hundred thirty thousand, one hundred two".