11302031212111 has 4 divisors (see below), whose sum is σ = 11348927607424. Its totient is φ = 11255134816800.

The previous prime is 11302031212081. The next prime is 11302031212159. The reversal of 11302031212111 is 11121213020311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11302031212111 - 2⁹ = 11302031211599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11302031210111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23448197295 + ... + 23448197776.

It is an arithmetic number, because the mean of its divisors is an integer number (2837231901856).

Almost surely, 2^{11302031212111} is an apocalyptic number.

11302031212111 is a deficient number, since it is larger than the sum of its proper divisors (46896395313).

11302031212111 is an equidigital number, since it uses as much as digits as its factorization.

11302031212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46896395312.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11302031212111 its reverse (11121213020311), we get a palindrome (22423244232422).

The spelling of 11302031212111 in words is "eleven trillion, three hundred two billion, thirty-one million, two hundred twelve thousand, one hundred eleven".