21120010210201 has 16 divisors (see below), whose sum is σ = 25188069037824. Its totient is φ = 17314772073984.

The previous prime is 21120010210153. The next prime is 21120010210237. The reversal of 21120010210201 is 10201201002112.

It is not a de Polignac number, because 21120010210201 - 2⁹ = 21120010209689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21120010210261) 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 15 ways as a sum of consecutive naturals, for example, 1068340 + ... + 6586453.

It is an arithmetic number, because the mean of its divisors is an integer number (1574254314864).

Almost surely, 2^{21120010210201} is an apocalyptic number.

It is an amenable number.

21120010210201 is a deficient number, since it is larger than the sum of its proper divisors (4068058827623).

21120010210201 is a wasteful number, since it uses less digits than its factorization.

21120010210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7671960.

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

Adding to 21120010210201 its reverse (10201201002112), we get a palindrome (31321211212313).

The spelling of 21120010210201 in words is "twenty-one trillion, one hundred twenty billion, ten million, two hundred ten thousand, two hundred one".