11231000013211 has 4 divisors (see below), whose sum is σ = 12252000014424. Its totient is φ = 10210000012000.

The previous prime is 11231000013197. The next prime is 11231000013239.

It is a happy number.

11231000013211 is nontrivially palindromic in base 10.

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 11231000013211 - 2¹¹ = 11231000011163 is a prime.

It is a super-2 number, since 2×11231000013211² (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 (11231000013241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510500000590 + ... + 510500000611.

It is an arithmetic number, because the mean of its divisors is an integer number (3063000003606).

Almost surely, 2^{11231000013211} is an apocalyptic number.

11231000013211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11231000013211 is a deficient number, since it is larger than the sum of its proper divisors (1021000001213).

11231000013211 is a wasteful number, since it uses less digits than its factorization.

11231000013211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021000001212.

The product of its (nonzero) digits is 36, while the sum is 16.

It can be divided in two parts, 112310000 and 13211, that added together give a palindrome (112323211).

The spelling of 11231000013211 in words is "eleven trillion, two hundred thirty-one billion, thirteen thousand, two hundred eleven".