21022001200013 has 8 divisors (see below), whose sum is σ = 22933227352896. Its totient is φ = 19110797569600.

The previous prime is 21022001200001. The next prime is 21022001200037. The reversal of 21022001200013 is 31000210022012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21022001200013 - 2⁶ = 21022001199949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022001200913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3648668 + ... + 7440213.

It is an arithmetic number, because the mean of its divisors is an integer number (2866653419112).

Almost surely, 2^{21022001200013} is an apocalyptic number.

It is an amenable number.

21022001200013 is a deficient number, since it is larger than the sum of its proper divisors (1911226152883).

21022001200013 is a wasteful number, since it uses less digits than its factorization.

21022001200013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11261235.

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

Adding to 21022001200013 its reverse (31000210022012), we get a palindrome (52022211222025).

The spelling of 21022001200013 in words is "twenty-one trillion, twenty-two billion, one million, two hundred thousand, thirteen".