2143204003100 has 18 divisors (see below), whose sum is σ = 4650752686944. Its totient is φ = 857281601200.

The previous prime is 2143204003081. The next prime is 2143204003103. The reversal of 2143204003100 is 13004023412.

It is a super-2 number, since 2×2143204003100² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143204003103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10716019916 + ... + 10716020115.

Almost surely, 2^{2143204003100} is an apocalyptic number.

2143204003100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143204003100 is an abundant number, since it is smaller than the sum of its proper divisors (2507548683844).

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

2143204003100 is a wasteful number, since it uses less digits than its factorization.

2143204003100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21432040045 (or 21432040038 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2143204003100 its reverse (13004023412), we get a palindrome (2156208026512).

The spelling of 2143204003100 in words is "two trillion, one hundred forty-three billion, two hundred four million, three thousand, one hundred".