123130011102 has 128 divisors (see below), whose sum is σ = 293985484800. Its totient is φ = 33641308800.

The previous prime is 123130011101. The next prime is 123130011167. The reversal of 123130011102 is 201110031321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130011101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41442477 + ... + 41445447.

It is an arithmetic number, because the mean of its divisors is an integer number (2296761600).

Almost surely, 2^123130011102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123130011102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146992742400).

123130011102 is an abundant number, since it is smaller than the sum of its proper divisors (170855473698).

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

123130011102 is a wasteful number, since it uses less digits than its factorization.

123130011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 123130011102 its reverse (201110031321), we get a palindrome (324240042423).

The spelling of 123130011102 in words is "one hundred twenty-three billion, one hundred thirty million, eleven thousand, one hundred two".