11221074013 has 8 divisors (see below), whose sum is σ = 11477679320. Its totient is φ = 10966812480.

The previous prime is 11221073947. The next prime is 11221074037. The reversal of 11221074013 is 31047012211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 192293689 + 11028780324 = 13867^2 + 105018^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11221074013 - 2²¹ = 11218976861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221074083) 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, 576258 + ... + 595411.

It is an arithmetic number, because the mean of its divisors is an integer number (1434709915).

Almost surely, 2^11221074013 is an apocalyptic number.

It is an amenable number.

11221074013 is a deficient number, since it is larger than the sum of its proper divisors (256605307).

11221074013 is a wasteful number, since it uses less digits than its factorization.

11221074013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171887.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 11221074013 its reverse (31047012211), we get a palindrome (42268086224).

The spelling of 11221074013 in words is "eleven billion, two hundred twenty-one million, seventy-four thousand, thirteen".