2111121332 has 24 divisors (see below), whose sum is σ = 3857438592. Its totient is φ = 1009052000.

The previous prime is 2111121317. The next prime is 2111121343. The reversal of 2111121332 is 2331211112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111121332.

It is a congruent number.

It is an unprimeable number.

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, 168857 + ... + 180927.

It is an arithmetic number, because the mean of its divisors is an integer number (160726608).

Almost surely, 2^2111121332 is an apocalyptic number.

It is an amenable number.

2111121332 is a deficient number, since it is larger than the sum of its proper divisors (1746317260).

2111121332 is a wasteful number, since it uses less digits than its factorization.

2111121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13999 (or 13997 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 2111121332 is about 45946.9403986816. The cubic root of 2111121332 is about 1282.8357806908.

Adding to 2111121332 its reverse (2331211112), we get a palindrome (4442332444).

The spelling of 2111121332 in words is "two billion, one hundred eleven million, one hundred twenty-one thousand, three hundred thirty-two".