2111542332 has 24 divisors (see below), whose sum is σ = 4972136400. Its totient is φ = 697389696.

The previous prime is 2111542291. The next prime is 2111542337. The reversal of 2111542332 is 2332451112.

It is a super-2 number, since 2×2111542332² = 8917222039655996448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111542337) 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 7 ways as a sum of consecutive naturals, for example, 805857 + ... + 808472.

It is an arithmetic number, because the mean of its divisors is an integer number (207172350).

Almost surely, 2^2111542332 is an apocalyptic number.

It is an amenable number.

2111542332 is an abundant number, since it is smaller than the sum of its proper divisors (2860594068).

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

2111542332 is a wasteful number, since it uses less digits than its factorization.

2111542332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614445 (or 1614443 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 2111542332 is about 45951.5215417292. The cubic root of 2111542332 is about 1282.9210494307.

Adding to 2111542332 its reverse (2332451112), we get a palindrome (4443993444).

The spelling of 2111542332 in words is "two billion, one hundred eleven million, five hundred forty-two thousand, three hundred thirty-two".