121112010100101 has 8 divisors (see below), whose sum is σ = 165847076893984. Its totient is φ = 78559141686480.

The previous prime is 121112010100093. The next prime is 121112010100117. The reversal of 121112010100101 is 101001010211121.

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

It is not a de Polignac number, because 121112010100101 - 2³ = 121112010100093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112010100141) 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, 545549594935 + ... + 545549595156.

It is an arithmetic number, because the mean of its divisors is an integer number (20730884611748).

Almost surely, 2^{121112010100101} is an apocalyptic number.

It is an amenable number.

121112010100101 is a deficient number, since it is larger than the sum of its proper divisors (44735066793883).

121112010100101 is a wasteful number, since it uses less digits than its factorization.

121112010100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091099190131.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 121112010100101 its reverse (101001010211121), we get a palindrome (222113020311222).

The spelling of 121112010100101 in words is "one hundred twenty-one trillion, one hundred twelve billion, ten million, one hundred thousand, one hundred one".