121100214200111 has 8 divisors (see below), whose sum is σ = 121549191777024. Its totient is φ = 120651252162840.

The previous prime is 121100214200099. The next prime is 121100214200143. The reversal of 121100214200111 is 111002412001121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121100214200111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121100214200111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100214250111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11847836 + ... + 19559438.

It is an arithmetic number, because the mean of its divisors is an integer number (15193648972128).

Almost surely, 2^{121100214200111} is an apocalyptic number.

121100214200111 is a deficient number, since it is larger than the sum of its proper divisors (448977576913).

121100214200111 is an equidigital number, since it uses as much as digits as its factorization.

121100214200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769821.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121100214200111 its reverse (111002412001121), we get a palindrome (232102626201232).

The spelling of 121100214200111 in words is "one hundred twenty-one trillion, one hundred billion, two hundred fourteen million, two hundred thousand, one hundred eleven".