11131212200043 has 96 divisors (see below), whose sum is σ = 16559088733440. Its totient is φ = 6644300382720.

The previous prime is 11131212200039. The next prime is 11131212200051. The reversal of 11131212200043 is 34000221213111.

It is not a de Polignac number, because 11131212200043 - 2² = 11131212200039 is a prime.

It is a super-2 number, since 2×11131212200043² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11131212199992 and 11131212200019.

It is not an unprimeable number, because it can be changed into a prime (11131212200093) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3890670433 + ... + 3890673293.

It is an arithmetic number, because the mean of its divisors is an integer number (172490507640).

Almost surely, 2^{11131212200043} is an apocalyptic number.

11131212200043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11131212200043 is a deficient number, since it is larger than the sum of its proper divisors (5427876533397).

11131212200043 is a wasteful number, since it uses less digits than its factorization.

11131212200043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109 (or 4096 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11131212200043 its reverse (34000221213111), we get a palindrome (45131433413154).

The spelling of 11131212200043 in words is "eleven trillion, one hundred thirty-one billion, two hundred twelve million, two hundred thousand, forty-three".