121100010011 has 8 divisors (see below), whose sum is σ = 121761066240. Its totient is φ = 120439422208.

The previous prime is 121100009999. The next prime is 121100010091. The reversal of 121100010011 is 110010001121.

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 not a de Polignac number, because 121100010011 - 2¹⁰ = 121100008987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100010091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407750 + ... + 639108.

It is an arithmetic number, because the mean of its divisors is an integer number (15220133280).

Almost surely, 2^121100010011 is an apocalyptic number.

121100010011 is a deficient number, since it is larger than the sum of its proper divisors (661056229).

121100010011 is a wasteful number, since it uses less digits than its factorization.

121100010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234213.

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

Adding to 121100010011 its reverse (110010001121), we get a palindrome (231110011132).

The spelling of 121100010011 in words is "one hundred twenty-one billion, one hundred million, ten thousand, eleven".