121100001101 has 8 divisors (see below), whose sum is σ = 123594109920. Its totient is φ = 118626087888.

The previous prime is 121100001047. The next prime is 121100001107. The reversal of 121100001101 is 101100001121.

It is a happy number.

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-121100001101 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 (121100001107) 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, 5036786 + ... + 5060771.

It is an arithmetic number, because the mean of its divisors is an integer number (15449263740).

Almost surely, 2^121100001101 is an apocalyptic number.

It is an amenable number.

121100001101 is a deficient number, since it is larger than the sum of its proper divisors (2494108819).

121100001101 is a wasteful number, since it uses less digits than its factorization.

121100001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097803.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 121100001101 its reverse (101100001121), we get a palindrome (222200002222).

The spelling of 121100001101 in words is "one hundred twenty-one billion, one hundred million, one thousand, one hundred one".