111200121002111 has 16 divisors (see below), whose sum is σ = 116667998244864. Its totient is φ = 105786333801984.

The previous prime is 111200121002077. The next prime is 111200121002147.

111200121002111 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 111200121002111 - 2³⁸ = 110925243095167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200121005111) 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, 11470946 + ... + 18814431.

It is an arithmetic number, because the mean of its divisors is an integer number (7291749890304).

Almost surely, 2^{111200121002111} is an apocalyptic number.

111200121002111 is a deficient number, since it is larger than the sum of its proper divisors (5467877242753).

111200121002111 is a wasteful number, since it uses less digits than its factorization.

111200121002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30286270.

The product of its (nonzero) digits is 8, while the sum is 14.

The spelling of 111200121002111 in words is "one hundred eleven trillion, two hundred billion, one hundred twenty-one million, two thousand, one hundred eleven".