2021220131132 has 6 divisors (see below), whose sum is σ = 3537135229488. Its totient is φ = 1010610065564.

The previous prime is 2021220131123. The next prime is 2021220131137. The reversal of 2021220131132 is 2311310221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021220131137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252652516388 + ... + 252652516395.

It is an arithmetic number, because the mean of its divisors is an integer number (589522538248).

Almost surely, 2^{2021220131132} is an apocalyptic number.

It is an amenable number.

2021220131132 is a deficient number, since it is larger than the sum of its proper divisors (1515915098356).

2021220131132 is a wasteful number, since it uses less digits than its factorization.

2021220131132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505305032787 (or 505305032785 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2021220131132 its reverse (2311310221202), we get a palindrome (4332530352334).

The spelling of 2021220131132 in words is "two trillion, twenty-one billion, two hundred twenty million, one hundred thirty-one thousand, one hundred thirty-two".