2102180143 has 8 divisors (see below), whose sum is σ = 2408767488. Its totient is φ = 1797161784.

The previous prime is 2102180137. The next prime is 2102180149. The reversal of 2102180143 is 3410812012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2102180137) and next prime (2102180149).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102180143 - 2⁹ = 2102179631 is a prime.

It is a super-2 number, since 2×2102180143² = 8838322707247000898, 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 (2102180149) by changing a digit.

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, 389371 + ... + 394732.

It is an arithmetic number, because the mean of its divisors is an integer number (301095936).

Almost surely, 2^2102180143 is an apocalyptic number.

2102180143 is a deficient number, since it is larger than the sum of its proper divisors (306587345).

2102180143 is an equidigital number, since it uses as much as digits as its factorization.

2102180143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784493.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2102180143 is about 45849.5380892763. The cubic root of 2102180143 is about 1281.0221618333.

Adding to 2102180143 its reverse (3410812012), we get a palindrome (5512992155).

The spelling of 2102180143 in words is "two billion, one hundred two million, one hundred eighty thousand, one hundred forty-three".