2102021012300 has 36 divisors (see below), whose sum is σ = 4976057017176. Its totient is φ = 764371276800.

The previous prime is 2102021012261. The next prime is 2102021012309. The reversal of 2102021012300 is 32101202012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2102021012309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 955462997 + ... + 955465196.

Almost surely, 2^{2102021012300} is an apocalyptic number.

2102021012300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102021012300 is an abundant number, since it is smaller than the sum of its proper divisors (2874036004876).

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

2102021012300 is a wasteful number, since it uses less digits than its factorization.

2102021012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910928218 (or 1910928211 counting only the distinct ones).

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

Adding to 2102021012300 its reverse (32101202012), we get a palindrome (2134122214312).

The spelling of 2102021012300 in words is "two trillion, one hundred two billion, twenty-one million, twelve thousand, three hundred".