11401220330 has 16 divisors (see below), whose sum is σ = 21076851240. Its totient is φ = 4437231552.

The previous prime is 11401220287. The next prime is 11401220353. The reversal of 11401220330 is 3302210411.

It can be written as a sum of positive squares in 4 ways, for example, as 8421916441 + 2979303889 = 91771^2 + 54583^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11401220299 and 11401220308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15406685 + ... + 15407424.

Almost surely, 2^11401220330 is an apocalyptic number.

11401220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11401220330 is a deficient number, since it is larger than the sum of its proper divisors (9675630910).

11401220330 is a wasteful number, since it uses less digits than its factorization.

11401220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30814153.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11401220330 its reverse (3302210411), we get a palindrome (14703430741).

The spelling of 11401220330 in words is "eleven billion, four hundred one million, two hundred twenty thousand, three hundred thirty".