11321231212203 has 8 divisors (see below), whose sum is σ = 16467245399616. Its totient is φ = 6861352249800.

The previous prime is 11321231212201. The next prime is 11321231212211. The reversal of 11321231212203 is 30221213212311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11321231212203 - 2¹ = 11321231212201 is a prime.

It is a super-2 number, since 2×11321231212203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11321231212201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171533806213 + ... + 171533806278.

It is an arithmetic number, because the mean of its divisors is an integer number (2058405674952).

Almost surely, 2^{11321231212203} is an apocalyptic number.

11321231212203 is a deficient number, since it is larger than the sum of its proper divisors (5146014187413).

11321231212203 is a wasteful number, since it uses less digits than its factorization.

11321231212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343067612505.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11321231212203 its reverse (30221213212311), we get a palindrome (41542444424514).

The spelling of 11321231212203 in words is "eleven trillion, three hundred twenty-one billion, two hundred thirty-one million, two hundred twelve thousand, two hundred three".