11212021001201 has 4 divisors (see below), whose sum is σ = 11216798174832. Its totient is φ = 11207243827572.

The previous prime is 11212021001197. The next prime is 11212021001243. The reversal of 11212021001201 is 10210012021211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11212021001201 - 2² = 11212021001197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212021001501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2388583295 + ... + 2388587988.

It is an arithmetic number, because the mean of its divisors is an integer number (2804199543708).

Almost surely, 2^{11212021001201} is an apocalyptic number.

It is an amenable number.

11212021001201 is a deficient number, since it is larger than the sum of its proper divisors (4777173631).

11212021001201 is an equidigital number, since it uses as much as digits as its factorization.

11212021001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777173630.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11212021001201 its reverse (10210012021211), we get a palindrome (21422033022412).

The spelling of 11212021001201 in words is "eleven trillion, two hundred twelve billion, twenty-one million, one thousand, two hundred one".