20111201002130 has 64 divisors (see below), whose sum is σ = 43841342880000. Its totient is φ = 6488518618368.

The previous prime is 20111201002129. The next prime is 20111201002201. The reversal of 20111201002130 is 3120010211102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50544125 + ... + 50940464.

It is an arithmetic number, because the mean of its divisors is an integer number (685020982500).

Almost surely, 2^{20111201002130} is an apocalyptic number.

20111201002130 is an abundant number, since it is smaller than the sum of its proper divisors (23730141877870).

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

20111201002130 is a wasteful number, since it uses less digits than its factorization.

20111201002130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101484771.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20111201002130 its reverse (3120010211102), we get a palindrome (23231211213232).

The spelling of 20111201002130 in words is "twenty trillion, one hundred eleven billion, two hundred one million, two thousand, one hundred thirty".