11001101112121 has 8 divisors (see below), whose sum is σ = 11315266798880. Its totient is φ = 10689586612992.

The previous prime is 11001101112073. The next prime is 11001101112223. The reversal of 11001101112121 is 12121110110011.

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 11001101112121 - 2¹⁷ = 11001100981049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001101172121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662788491 + ... + 662805088.

It is an arithmetic number, because the mean of its divisors is an integer number (1414408349860).

Almost surely, 2^{11001101112121} is an apocalyptic number.

It is an amenable number.

11001101112121 is a deficient number, since it is larger than the sum of its proper divisors (314165686759).

11001101112121 is a wasteful number, since it uses less digits than its factorization.

11001101112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325593815.

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

Adding to 11001101112121 its reverse (12121110110011), we get a palindrome (23122211222132).

The spelling of 11001101112121 in words is "eleven trillion, one billion, one hundred one million, one hundred twelve thousand, one hundred twenty-one".