2142142210 has 16 divisors (see below), whose sum is σ = 4152460536. Its totient is φ = 790944768.

The previous prime is 2142142199. The next prime is 2142142259. The reversal of 2142142210 is 122412412.

It can be written as a sum of positive squares in 4 ways, for example, as 1127146329 + 1014995881 = 33573^2 + 31859^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8238879 + ... + 8239138.

Almost surely, 2^2142142210 is an apocalyptic number.

2142142210 is a deficient number, since it is larger than the sum of its proper divisors (2010318326).

2142142210 is a wasteful number, since it uses less digits than its factorization.

2142142210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16478037.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2142142210 is about 46283.2821869841. The cubic root of 2142142210 is about 1289.0885956595.

Adding to 2142142210 its reverse (122412412), we get a palindrome (2264554622).

The spelling of 2142142210 in words is "two billion, one hundred forty-two million, one hundred forty-two thousand, two hundred ten".