11206741421 has 16 divisors (see below), whose sum is σ = 11791073280. Its totient is φ = 10630675440.

The previous prime is 11206741387. The next prime is 11206741433. The reversal of 11206741421 is 12414760211.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11206741421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11206741471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4701596 + ... + 4703978.

It is an arithmetic number, because the mean of its divisors is an integer number (736942080).

Almost surely, 2^11206741421 is an apocalyptic number.

It is an amenable number.

11206741421 is a deficient number, since it is larger than the sum of its proper divisors (584331859).

11206741421 is a wasteful number, since it uses less digits than its factorization.

11206741421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 11206741421 in words is "eleven billion, two hundred six million, seven hundred forty-one thousand, four hundred twenty-one".