11212303001 has 4 divisors (see below), whose sum is σ = 11323316004. Its totient is φ = 11101290000.

The previous prime is 11212302991. The next prime is 11212303007. The reversal of 11212303001 is 10030321211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10981992025 + 230310976 = 104795^2 + 15176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212303001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11212303007) 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, 55506350 + ... + 55506551.

It is an arithmetic number, because the mean of its divisors is an integer number (2830829001).

Almost surely, 2^11212303001 is an apocalyptic number.

It is an amenable number.

11212303001 is a deficient number, since it is larger than the sum of its proper divisors (111013003).

11212303001 is a wasteful number, since it uses less digits than its factorization.

11212303001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111013002.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11212303001 its reverse (10030321211), we get a palindrome (21242624212).

The spelling of 11212303001 in words is "eleven billion, two hundred twelve million, three hundred three thousand, one".