21201211000201 has 8 divisors (see below), whose sum is σ = 21259197921024. Its totient is φ = 21143225264640.

The previous prime is 21201211000181. The next prime is 21201211000217. The reversal of 21201211000201 is 10200011210212.

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

It is a cyclic number.

It is not a de Polignac number, because 21201211000201 - 2⁵ = 21201211000169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21201211000231) 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, 44958921 + ... + 45428041.

It is an arithmetic number, because the mean of its divisors is an integer number (2657399740128).

Almost surely, 2^{21201211000201} is an apocalyptic number.

It is an amenable number.

21201211000201 is a deficient number, since it is larger than the sum of its proper divisors (57986920823).

21201211000201 is a wasteful number, since it uses less digits than its factorization.

21201211000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592631.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21201211000201 its reverse (10200011210212), we get a palindrome (31401222210413).

The spelling of 21201211000201 in words is "twenty-one trillion, two hundred one billion, two hundred eleven million, two hundred one", and thus it is an aban number.