11212032321 has 48 divisors (see below), whose sum is σ = 19791727488. Its totient is φ = 5970240000.

The previous prime is 11212032277. The next prime is 11212032331. The reversal of 11212032321 is 12323021211.

It is not a de Polignac number, because 11212032321 - 2¹³ = 11212024129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11212032294 and 11212032303.

It is not an unprimeable number, because it can be changed into a prime (11212032331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56346 + ... + 159996.

It is an arithmetic number, because the mean of its divisors is an integer number (412327656).

Almost surely, 2^11212032321 is an apocalyptic number.

It is an amenable number.

11212032321 is a deficient number, since it is larger than the sum of its proper divisors (8579695167).

11212032321 is a wasteful number, since it uses less digits than its factorization.

11212032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103782 (or 103779 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11212032321 its reverse (12323021211), we get a palindrome (23535053532).

It can be divided in two parts, 112120 and 32321, that added together give a palindrome (144441).

The spelling of 11212032321 in words is "eleven billion, two hundred twelve million, thirty-two thousand, three hundred twenty-one".