11121200031111 has 8 divisors (see below), whose sum is σ = 14870999466624. Its totient is φ = 7392766974840.

The previous prime is 11121200031083. The next prime is 11121200031133. The reversal of 11121200031111 is 11113000212111.

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

It is not a de Polignac number, because 11121200031111 - 2¹¹ = 11121200029063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121200011111) 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 7 ways as a sum of consecutive naturals, for example, 5341593595 + ... + 5341595676.

It is an arithmetic number, because the mean of its divisors is an integer number (1858874933328).

Almost surely, 2^{11121200031111} is an apocalyptic number.

11121200031111 is a deficient number, since it is larger than the sum of its proper divisors (3749799435513).

11121200031111 is a wasteful number, since it uses less digits than its factorization.

11121200031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10683189621.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 11121200031111 its reverse (11113000212111), we get a palindrome (22234200243222).

The spelling of 11121200031111 in words is "eleven trillion, one hundred twenty-one billion, two hundred million, thirty-one thousand, one hundred eleven".