202132411021 has 4 divisors (see below), whose sum is σ = 202192376544. Its totient is φ = 202072445500.

The previous prime is 202132411009. The next prime is 202132411037. The reversal of 202132411021 is 120114231202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202132411021 - 2³³ = 193542476429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202132411021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202132411051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29977705 + ... + 29984446.

It is an arithmetic number, because the mean of its divisors is an integer number (50548094136).

Almost surely, 2^202132411021 is an apocalyptic number.

It is an amenable number.

202132411021 is a deficient number, since it is larger than the sum of its proper divisors (59965523).

202132411021 is an equidigital number, since it uses as much as digits as its factorization.

202132411021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59965522.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 202132411021 its reverse (120114231202), we get a palindrome (322246642223).

The spelling of 202132411021 in words is "two hundred two billion, one hundred thirty-two million, four hundred eleven thousand, twenty-one".