11000212131 has 4 divisors (see below), whose sum is σ = 14666949512. Its totient is φ = 7333474752.

The previous prime is 11000212129. The next prime is 11000212183. The reversal of 11000212131 is 13121200011.

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

It is not a de Polignac number, because 11000212131 - 2¹ = 11000212129 is a prime.

It is a super-2 number, since 2×11000212131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000212031) 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 3 ways as a sum of consecutive naturals, for example, 1833368686 + ... + 1833368691.

It is an arithmetic number, because the mean of its divisors is an integer number (3666737378).

Almost surely, 2^11000212131 is an apocalyptic number.

11000212131 is a deficient number, since it is larger than the sum of its proper divisors (3666737381).

11000212131 is an equidigital number, since it uses as much as digits as its factorization.

11000212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666737380.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11000212131 its reverse (13121200011), we get a palindrome (24121412142).

The spelling of 11000212131 in words is "eleven billion, two hundred twelve thousand, one hundred thirty-one".