201100221001012 has 48 divisors (see below), whose sum is σ = 376277881000000. Its totient is φ = 93761106177024.

The previous prime is 201100221000997. The next prime is 201100221001033. The reversal of 201100221001012 is 210100122001102.

It is a junction number, because it is equal to n+sod(n) for n = 201100221000983 and 201100221001001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9450087 + ... + 22169902.

Almost surely, 2^{201100221001012} is an apocalyptic number.

It is an amenable number.

201100221001012 is a deficient number, since it is larger than the sum of its proper divisors (175177659998988).

201100221001012 is a wasteful number, since it uses less digits than its factorization.

201100221001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31621328 (or 31621326 counting only the distinct ones).

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

Adding to 201100221001012 its reverse (210100122001102), we get a palindrome (411200343002114).

The spelling of 201100221001012 in words is "two hundred one trillion, one hundred billion, two hundred twenty-one million, one thousand, twelve".