2121340010 has 16 divisors (see below), whose sum is σ = 3820905000. Its totient is φ = 847982016.

The previous prime is 2121339991. The next prime is 2121340031. The reversal of 2121340010 is 100431212.

It can be written as a sum of positive squares in 4 ways, for example, as 2059072129 + 62267881 = 45377^2 + 7891^2 .

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, 52985 + ... + 83964.

Almost surely, 2^2121340010 is an apocalyptic number.

2121340010 is a deficient number, since it is larger than the sum of its proper divisors (1699564990).

2121340010 is a wasteful number, since it uses less digits than its factorization.

2121340010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138505.

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

The square root of 2121340010 is about 46058.0070128962. The cubic root of 2121340010 is about 1284.9022641124.

Adding to 2121340010 its reverse (100431212), we get a palindrome (2221771222).

The spelling of 2121340010 in words is "two billion, one hundred twenty-one million, three hundred forty thousand, ten".