2121011124 has 24 divisors (see below), whose sum is σ = 4952139360. Its totient is φ = 706558944.

The previous prime is 2121011111. The next prime is 2121011141. The reversal of 2121011124 is 4211101212.

It is a congruent 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, 35434 + ... + 74145.

It is an arithmetic number, because the mean of its divisors is an integer number (206339140).

Almost surely, 2^2121011124 is an apocalyptic number.

It is an amenable number.

2121011124 is an abundant number, since it is smaller than the sum of its proper divisors (2831128236).

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

2121011124 is a wasteful number, since it uses less digits than its factorization.

2121011124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111199 (or 111197 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2121011124 is about 46054.4365289599. The cubic root of 2121011124 is about 1284.8358582549.

Adding to 2121011124 its reverse (4211101212), we get a palindrome (6332112336).

The spelling of 2121011124 in words is "two billion, one hundred twenty-one million, eleven thousand, one hundred twenty-four".