11213310221 has 8 divisors (see below), whose sum is σ = 11704197120. Its totient is φ = 10722702672.

The previous prime is 11213310181. The next prime is 11213310233. The reversal of 11213310221 is 12201331211.

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

It is not a de Polignac number, because 11213310221 - 2¹⁴ = 11213293837 is a prime.

It is a super-2 number, since 2×11213310221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11213310221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213310271) 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, 14375 + ... + 150443.

It is an arithmetic number, because the mean of its divisors is an integer number (1463024640).

Almost surely, 2^11213310221 is an apocalyptic number.

It is an amenable number.

11213310221 is a deficient number, since it is larger than the sum of its proper divisors (490886899).

11213310221 is a wasteful number, since it uses less digits than its factorization.

11213310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139675.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11213310221 its reverse (12201331211), we get a palindrome (23414641432).

The spelling of 11213310221 in words is "eleven billion, two hundred thirteen million, three hundred ten thousand, two hundred twenty-one".