121121001133 has 8 divisors (see below), whose sum is σ = 133440240096. Its totient is φ = 109019802000.

The previous prime is 121121001101. The next prime is 121121001173. The reversal of 121121001133 is 331100121121.

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 121121001133 - 2⁵ = 121121001101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121001173) 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, 54508791 + ... + 54511012.

It is an arithmetic number, because the mean of its divisors is an integer number (16680030012).

Almost surely, 2^121121001133 is an apocalyptic number.

It is an amenable number.

121121001133 is a deficient number, since it is larger than the sum of its proper divisors (12319238963).

121121001133 is a wasteful number, since it uses less digits than its factorization.

121121001133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109019915.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121121001133 its reverse (331100121121), we get a palindrome (452221122254).

The spelling of 121121001133 in words is "one hundred twenty-one billion, one hundred twenty-one million, one thousand, one hundred thirty-three".