11231021211113 has 16 divisors (see below), whose sum is σ = 12393918940032. Its totient is φ = 10092109200000.

The previous prime is 11231021211083. The next prime is 11231021211119. The reversal of 11231021211113 is 31111212013211.

It is a cyclic number.

It is not a de Polignac number, because 11231021211113 - 2⁶ = 11231021211049 is a prime.

It is a super-2 number, since 2×11231021211113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231021211119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7742381 + ... + 9077802.

It is an arithmetic number, because the mean of its divisors is an integer number (774619933752).

Almost surely, 2^{11231021211113} is an apocalyptic number.

It is an amenable number.

11231021211113 is a deficient number, since it is larger than the sum of its proper divisors (1162897728919).

11231021211113 is a wasteful number, since it uses less digits than its factorization.

11231021211113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16820896.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 11231021211113 its reverse (31111212013211), we get a palindrome (42342233224324).

The spelling of 11231021211113 in words is "eleven trillion, two hundred thirty-one billion, twenty-one million, two hundred eleven thousand, one hundred thirteen".