11213021330 has 96 divisors (see below), whose sum is σ = 24989641776. Its totient is φ = 3599425536.

The previous prime is 11213021311. The next prime is 11213021353. The reversal of 11213021330 is 3312031211.

It can be written as a sum of positive squares in 8 ways, for example, as 7645228969 + 3567792361 = 87437^2 + 59731^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 11213021299 and 11213021308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1637594 + ... + 1644426.

Almost surely, 2^11213021330 is an apocalyptic number.

11213021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11213021330 is an abundant number, since it is smaller than the sum of its proper divisors (13776620446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11213021330 is a wasteful number, since it uses less digits than its factorization.

11213021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068 (or 7061 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11213021330 its reverse (3312031211), we get a palindrome (14525052541).

The spelling of 11213021330 in words is "eleven billion, two hundred thirteen million, twenty-one thousand, three hundred thirty".