121055435101 has 8 divisors (see below), whose sum is σ = 126323539200. Its totient is φ = 115787733072.

The previous prime is 121055435047. The next prime is 121055435119. The reversal of 121055435101 is 101534550121.

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

It is a de Polignac number, because none of the positive numbers 2^k-121055435101 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 121055435101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121055439101) 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, 626796 + ... + 796858.

It is an arithmetic number, because the mean of its divisors is an integer number (15790442400).

Almost surely, 2^121055435101 is an apocalyptic number.

It is an amenable number.

121055435101 is a deficient number, since it is larger than the sum of its proper divisors (5268104099).

121055435101 is a wasteful number, since it uses less digits than its factorization.

121055435101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201035.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 121055435101 its reverse (101534550121), we get a palindrome (222589985222).

The spelling of 121055435101 in words is "one hundred twenty-one billion, fifty-five million, four hundred thirty-five thousand, one hundred one".