2100102143 has 4 divisors (see below), whose sum is σ = 2100388320. Its totient is φ = 2099815968.

The previous prime is 2100102139. The next prime is 2100102209. The reversal of 2100102143 is 3412010012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100102143 - 2² = 2100102139 is a prime.

It is a super-2 number, since 2×2100102143² = 8820858022066384898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100102133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131783 + ... + 146856.

It is an arithmetic number, because the mean of its divisors is an integer number (525097080).

Almost surely, 2^2100102143 is an apocalyptic number.

2100102143 is a deficient number, since it is larger than the sum of its proper divisors (286177).

2100102143 is an equidigital number, since it uses as much as digits as its factorization.

2100102143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286176.

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

The square root of 2100102143 is about 45826.8714075050. The cubic root of 2100102143 is about 1280.5999269045.

Adding to 2100102143 its reverse (3412010012), we get a palindrome (5512112155).

The spelling of 2100102143 in words is "two billion, one hundred million, one hundred two thousand, one hundred forty-three".