2121135162 has 16 divisors (see below), whose sum is σ = 4248715680. Its totient is φ = 705970832.

The previous prime is 2121135113. The next prime is 2121135179. The reversal of 2121135162 is 2615311212.

It is a happy number.

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, 264273 + ... + 272180.

It is an arithmetic number, because the mean of its divisors is an integer number (265544730).

Almost surely, 2^2121135162 is an apocalyptic number.

2121135162 is an abundant number, since it is smaller than the sum of its proper divisors (2127580518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121135162 is a wasteful number, since it uses less digits than its factorization.

2121135162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537117.

The product of its digits is 720, while the sum is 24.

The square root of 2121135162 is about 46055.7831547787. The cubic root of 2121135162 is about 1284.8609037567.

Adding to 2121135162 its reverse (2615311212), we get a palindrome (4736446374).

The spelling of 2121135162 in words is "two billion, one hundred twenty-one million, one hundred thirty-five thousand, one hundred sixty-two".