2100231201020 has 12 divisors (see below), whose sum is σ = 4410485522184. Its totient is φ = 840092480400.

The previous prime is 2100231200993. The next prime is 2100231201041. The reversal of 2100231201020 is 201021320012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100231200986 and 2100231201004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52505780006 + ... + 52505780045.

It is an arithmetic number, because the mean of its divisors is an integer number (367540460182).

Almost surely, 2^{2100231201020} is an apocalyptic number.

2100231201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100231201020 is an abundant number, since it is smaller than the sum of its proper divisors (2310254321164).

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

2100231201020 is a wasteful number, since it uses less digits than its factorization.

2100231201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105011560060 (or 105011560058 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2100231201020 its reverse (201021320012), we get a palindrome (2301252521032).

The spelling of 2100231201020 in words is "two trillion, one hundred billion, two hundred thirty-one million, two hundred one thousand, twenty".