11220312441 has 16 divisors (see below), whose sum is σ = 16139866176. Its totient is φ = 6892529856.

The previous prime is 11220312427. The next prime is 11220312451. The reversal of 11220312441 is 14421302211.

It is not a de Polignac number, because 11220312441 - 2¹⁵ = 11220279673 is a prime.

It is a super-2 number, since 2×11220312441² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11220312451) 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, 233550 + ... + 277463.

It is an arithmetic number, because the mean of its divisors is an integer number (1008741636).

Almost surely, 2^11220312441 is an apocalyptic number.

It is an amenable number.

11220312441 is a deficient number, since it is larger than the sum of its proper divisors (4919553735).

11220312441 is a wasteful number, since it uses less digits than its factorization.

11220312441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511592.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11220312441 its reverse (14421302211), we get a palindrome (25641614652).

The spelling of 11220312441 in words is "eleven billion, two hundred twenty million, three hundred twelve thousand, four hundred forty-one".