121211110133 has 8 divisors (see below), whose sum is σ = 121401244800. Its totient is φ = 121021036768.

The previous prime is 121211110129. The next prime is 121211110157. The reversal of 121211110133 is 331011112121.

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 121211110133 - 2² = 121211110129 is a prime.

It is a super-3 number, since 3×121211110133³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121211110183) 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, 5397833 + ... + 5420241.

It is an arithmetic number, because the mean of its divisors is an integer number (15175155600).

Almost surely, 2^121211110133 is an apocalyptic number.

It is an amenable number.

121211110133 is a deficient number, since it is larger than the sum of its proper divisors (190134667).

121211110133 is an equidigital number, since it uses as much as digits as its factorization.

121211110133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30651.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 121211110133 its reverse (331011112121), we get a palindrome (452222222254).

The spelling of 121211110133 in words is "one hundred twenty-one billion, two hundred eleven million, one hundred ten thousand, one hundred thirty-three".