21200201022002 has 8 divisors (see below), whose sum is σ = 31975993807212. Its totient is φ = 10541536419600.

The previous prime is 21200201021981. The next prime is 21200201022023. The reversal of 21200201022002 is 20022010200212.

It is an interprime number because it is at equal distance from previous prime (21200201021981) and next prime (21200201022023).

It can be written as a sum of positive squares in 2 ways, for example, as 21141797116441 + 58403905561 = 4598021^2 + 241669^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29282045249 + ... + 29282045972.

Almost surely, 2^{21200201022002} is an apocalyptic number.

21200201022002 is a deficient number, since it is larger than the sum of its proper divisors (10775792785210).

21200201022002 is a wasteful number, since it uses less digits than its factorization.

21200201022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58564091404.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21200201022002 its reverse (20022010200212), we get a palindrome (41222211222214).

The spelling of 21200201022002 in words is "twenty-one trillion, two hundred billion, two hundred one million, twenty-two thousand, two".