2021120132 has 18 divisors (see below), whose sum is σ = 3613831662. Its totient is φ = 989054464.

The previous prime is 2021120119. The next prime is 2021120161. The reversal of 2021120132 is 2310211202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1138792516 + 882327616 = 33746^2 + 29704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105533 + ... + 123204.

Almost surely, 2^2021120132 is an apocalyptic number.

It is an amenable number.

2021120132 is a deficient number, since it is larger than the sum of its proper divisors (1592711530).

2021120132 is a wasteful number, since it uses less digits than its factorization.

2021120132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228835 (or 228786 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2021120132 is about 44956.8696864005. The cubic root of 2021120132 is about 1264.3404795339.

Adding to 2021120132 its reverse (2310211202), we get a palindrome (4331331334).

The spelling of 2021120132 in words is "two billion, twenty-one million, one hundred twenty thousand, one hundred thirty-two".