11321213121330 has 64 divisors (see below), whose sum is σ = 31060599268608. Its totient is φ = 2587028440320.

The previous prime is 11321213121271. The next prime is 11321213121331. The reversal of 11321213121330 is 3312131212311.

It is a super-2 number, since 2×11321213121330² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11321213121330.

It is not an unprimeable number, because it can be changed into a prime (11321213121331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6252097 + ... + 7856916.

It is an arithmetic number, because the mean of its divisors is an integer number (485321863572).

Almost surely, 2^{11321213121330} is an apocalyptic number.

11321213121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11321213121330 is an abundant number, since it is smaller than the sum of its proper divisors (19739386147278).

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

11321213121330 is a wasteful number, since it uses less digits than its factorization.

11321213121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14112851.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11321213121330 its reverse (3312131212311), we get a palindrome (14633344333641).

The spelling of 11321213121330 in words is "eleven trillion, three hundred twenty-one billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred thirty".