11211231122113 has 8 divisors (see below), whose sum is σ = 12430932869376. Its totient is φ = 10024945861200.

The previous prime is 11211231122089. The next prime is 11211231122137. The reversal of 11211231122113 is 31122113211211.

It is an interprime number because it is at equal distance from previous prime (11211231122089) and next prime (11211231122137).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211231122113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211231122213) by changing a digit.

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, 8354120881 + ... + 8354122222.

It is an arithmetic number, because the mean of its divisors is an integer number (1553866608672).

Almost surely, 2^{11211231122113} is an apocalyptic number.

It is an amenable number.

11211231122113 is a deficient number, since it is larger than the sum of its proper divisors (1219701747263).

11211231122113 is a wasteful number, since it uses less digits than its factorization.

11211231122113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16708243175.

The product of its digits is 144, while the sum is 22.

Adding to 11211231122113 its reverse (31122113211211), we get a palindrome (42333344333324).

The spelling of 11211231122113 in words is "eleven trillion, two hundred eleven billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred thirteen".