2100364021830 has 16 divisors (see below), whose sum is σ = 5040873652464. Its totient is φ = 560097072480.

The previous prime is 2100364021829. The next prime is 2100364021871. The reversal of 2100364021830 is 381204630012.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 70012134061 = 2100364021830 / (2 + 1 + 0 + 0 + 3 + 6 + 4 + 0 + 2 + 1 + 8 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35006067001 + ... + 35006067060.

It is an arithmetic number, because the mean of its divisors is an integer number (315054603279).

Almost surely, 2^{2100364021830} is an apocalyptic number.

2100364021830 is an abundant number, since it is smaller than the sum of its proper divisors (2940509630634).

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

2100364021830 is a wasteful number, since it uses less digits than its factorization.

2100364021830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70012134071.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 2100364021830 its reverse (381204630012), we get a palindrome (2481568651842).

The spelling of 2100364021830 in words is "two trillion, one hundred billion, three hundred sixty-four million, twenty-one thousand, eight hundred thirty".