2101243210 has 32 divisors (see below), whose sum is σ = 4193731584. Its totient is φ = 751560000.

The previous prime is 2101243201. The next prime is 2101243217. The reversal of 2101243210 is 123421012.

It is a super-2 number, since 2×2101243210² = 8830446055142208200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101243217) 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 15 ways as a sum of consecutive naturals, for example, 149866 + ... + 163285.

It is an arithmetic number, because the mean of its divisors is an integer number (131054112).

Almost surely, 2^2101243210 is an apocalyptic number.

2101243210 is a deficient number, since it is larger than the sum of its proper divisors (2092488374).

2101243210 is a wasteful number, since it uses less digits than its factorization.

2101243210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313230.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2101243210 is about 45839.3194757514. The cubic root of 2101243210 is about 1280.8318181247.

Adding to 2101243210 its reverse (123421012), we get a palindrome (2224664222).

The spelling of 2101243210 in words is "two billion, one hundred one million, two hundred forty-three thousand, two hundred ten".