11212322121320 has 32 divisors (see below), whose sum is σ = 25814416050720. Its totient is φ = 4380628176960.

The previous prime is 11212322121313. The next prime is 11212322121337. The reversal of 11212322121320 is 2312122321211.

It is a super-3 number, since 3×11212322121320³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3259394246 + ... + 3259397685.

It is an arithmetic number, because the mean of its divisors is an integer number (806700501585).

Almost surely, 2^{11212322121320} is an apocalyptic number.

11212322121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212322121320 is an abundant number, since it is smaller than the sum of its proper divisors (14602093929400).

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

11212322121320 is a wasteful number, since it uses less digits than its factorization.

11212322121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518791985 (or 6518791981 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11212322121320 its reverse (2312122321211), we get a palindrome (13524444442531).

The spelling of 11212322121320 in words is "eleven trillion, two hundred twelve billion, three hundred twenty-two million, one hundred twenty-one thousand, three hundred twenty".