12101102220120 has 256 divisors, whose sum is σ = 40124872022400. Its totient is φ = 2906609909760.

The previous prime is 12101102220113. The next prime is 12101102220143. The reversal of 12101102220120 is 2102220110121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12101102220120.

It is a congruent number.

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, 3290166 + ... + 5918394.

Almost surely, 2^{12101102220120} is an apocalyptic number.

12101102220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12101102220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20062436011200).

12101102220120 is an abundant number, since it is smaller than the sum of its proper divisors (28023769802280).

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

12101102220120 is a wasteful number, since it uses less digits than its factorization.

12101102220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628358 (or 2628354 counting only the distinct ones).

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

Adding to 12101102220120 its reverse (2102220110121), we get a palindrome (14203322330241).

The spelling of 12101102220120 in words is "twelve trillion, one hundred one billion, one hundred two million, two hundred twenty thousand, one hundred twenty".