402200013021 has 4 divisors (see below), whose sum is σ = 536266684032. Its totient is φ = 268133342012.

The previous prime is 402200013011. The next prime is 402200013037. The reversal of 402200013021 is 120310002204.

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 402200013021 - 2¹¹ = 402200010973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402200013011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67033335501 + ... + 67033335506.

It is an arithmetic number, because the mean of its divisors is an integer number (134066671008).

Almost surely, 2^402200013021 is an apocalyptic number.

It is an amenable number.

402200013021 is a deficient number, since it is larger than the sum of its proper divisors (134066671011).

402200013021 is a wasteful number, since it uses less digits than its factorization.

402200013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134066671010.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 402200013021 its reverse (120310002204), we get a palindrome (522510015225).

The spelling of 402200013021 in words is "four hundred two billion, two hundred million, thirteen thousand, twenty-one".