2121101132 has 12 divisors (see below), whose sum is σ = 3729520536. Its totient is φ = 1055523840.

The previous prime is 2121101083. The next prime is 2121101137. The reversal of 2121101132 is 2311011212.

It is not an unprimeable number, because it can be changed into a prime (2121101137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255733 + ... + 1257420.

It is an arithmetic number, because the mean of its divisors is an integer number (310793378).

Almost surely, 2^2121101132 is an apocalyptic number.

It is an amenable number.

2121101132 is a deficient number, since it is larger than the sum of its proper divisors (1608419404).

2121101132 is a wasteful number, since it uses less digits than its factorization.

2121101132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513368 (or 2513366 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2121101132 is about 46055.4137100081. The cubic root of 2121101132 is about 1284.8540325852.

Adding to 2121101132 its reverse (2311011212), we get a palindrome (4432112344).

The spelling of 2121101132 in words is "two billion, one hundred twenty-one million, one hundred one thousand, one hundred thirty-two".