201501132130100 has 144 divisors (see below), whose sum is σ = 479032490958336. Its totient is φ = 72962329200000.

The previous prime is 201501132130099. The next prime is 201501132130121. The reversal of 201501132130100 is 1031231105102.

201501132130100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1089674249 + ... + 1089859151.

It is an arithmetic number, because the mean of its divisors is an integer number (3326614520544).

Almost surely, 2^{201501132130100} is an apocalyptic number.

201501132130100 is a gapful number since it is divisible by the number (20) 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 201501132130100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239516245479168).

201501132130100 is an abundant number, since it is smaller than the sum of its proper divisors (277531358828236).

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

201501132130100 is a wasteful number, since it uses less digits than its factorization.

201501132130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189126 (or 189119 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 201501132130100 its reverse (1031231105102), we get a palindrome (202532363235202).

The spelling of 201501132130100 in words is "two hundred one trillion, five hundred one billion, one hundred thirty-two million, one hundred thirty thousand, one hundred".