12121101120102 has 64 divisors (see below), whose sum is σ = 26662757397696. Its totient is φ = 3650508126720.

The previous prime is 12121101120101. The next prime is 12121101120187. The reversal of 12121101120102 is 20102110112121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121101120101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1741833 + ... + 5222660.

It is an arithmetic number, because the mean of its divisors is an integer number (416605584339).

Almost surely, 2^{12121101120102} is an apocalyptic number.

12121101120102 is an abundant number, since it is smaller than the sum of its proper divisors (14541656277594).

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

12121101120102 is a wasteful number, since it uses less digits than its factorization.

12121101120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6964985.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12121101120102 its reverse (20102110112121), we get a palindrome (32223211232223).

The spelling of 12121101120102 in words is "twelve trillion, one hundred twenty-one billion, one hundred one million, one hundred twenty thousand, one hundred two".