2111135530 has 32 divisors (see below), whose sum is σ = 4371690240. Its totient is φ = 719020800.

The previous prime is 2111135527. The next prime is 2111135539. The reversal of 2111135530 is 355311112.

It is not an unprimeable number, because it can be changed into a prime (2111135539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89295 + ... + 110434.

It is an arithmetic number, because the mean of its divisors is an integer number (136615320).

Almost surely, 2^2111135530 is an apocalyptic number.

2111135530 is an abundant number, since it is smaller than the sum of its proper divisors (2260554710).

2111135530 is a wasteful number, since it uses less digits than its factorization.

2111135530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199894.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 2111135530 is about 45947.0949027248. The cubic root of 2111135530 is about 1282.8386565182.

Adding to 2111135530 its reverse (355311112), we get a palindrome (2466446642).

It can be divided in two parts, 2111 and 135530, that added together give a square (137641 = 371²).

The spelling of 2111135530 in words is "two billion, one hundred eleven million, one hundred thirty-five thousand, five hundred thirty".