121101120100111 has 8 divisors (see below), whose sum is σ = 123682238044560. Its totient is φ = 118537620708672.

The previous prime is 121101120100063. The next prime is 121101120100151. The reversal of 121101120100111 is 111001021101121.

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-121101120100111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121101120100091 and 121101120100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101120100151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4404624360 + ... + 4404651853.

It is an arithmetic number, because the mean of its divisors is an integer number (15460279755570).

Almost surely, 2^{121101120100111} is an apocalyptic number.

121101120100111 is a deficient number, since it is larger than the sum of its proper divisors (2581117944449).

121101120100111 is an equidigital number, since it uses as much as digits as its factorization.

121101120100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8809276505.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 121101120100111 its reverse (111001021101121), we get a palindrome (232102141201232).

The spelling of 121101120100111 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred twenty million, one hundred thousand, one hundred eleven".