21120222110201 has 8 divisors (see below), whose sum is σ = 22348209676800. Its totient is φ = 19903874236560.

The previous prime is 21120222110159. The next prime is 21120222110261. The reversal of 21120222110201 is 10201122202112.

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

It is not a de Polignac number, because 21120222110201 - 2¹⁰ = 21120222109177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21120222110201.

It is not an unprimeable number, because it can be changed into a prime (21120222110261) 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, 2909919506 + ... + 2909926763.

It is an arithmetic number, because the mean of its divisors is an integer number (2793526209600).

Almost surely, 2^{21120222110201} is an apocalyptic number.

It is an amenable number.

21120222110201 is a deficient number, since it is larger than the sum of its proper divisors (1227987566599).

21120222110201 is a wasteful number, since it uses less digits than its factorization.

21120222110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819846479.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21120222110201 its reverse (10201122202112), we get a palindrome (31321344312313).

The spelling of 21120222110201 in words is "twenty-one trillion, one hundred twenty billion, two hundred twenty-two million, one hundred ten thousand, two hundred one".