121100001331331 has 8 divisors (see below), whose sum is σ = 132110942372544. Its totient is φ = 110089368625320.

The previous prime is 121100001331321. The next prime is 121100001331333. The reversal of 121100001331331 is 133133100001121.

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 121100001331331 - 2¹⁰ = 121100001330307 is a prime.

It is a super-2 number, since 2×121100001331331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100001331333) 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, 76262201 + ... + 77833946.

It is an arithmetic number, because the mean of its divisors is an integer number (16513867796568).

Almost surely, 2^{121100001331331} is an apocalyptic number.

121100001331331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121100001331331 is a deficient number, since it is larger than the sum of its proper divisors (11010941041213).

121100001331331 is a wasteful number, since it uses less digits than its factorization.

121100001331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154167601.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 121100001331331 its reverse (133133100001121), we get a palindrome (254233101332452).

The spelling of 121100001331331 in words is "one hundred twenty-one trillion, one hundred billion, one million, three hundred thirty-one thousand, three hundred thirty-one".