121010212133 has 4 divisors (see below), whose sum is σ = 126271525728. Its totient is φ = 115748898540.

The previous prime is 121010212033. The next prime is 121010212151. The reversal of 121010212133 is 331212010121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121010212133 - 2²⁰ = 121009163557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010212163) 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 3 ways as a sum of consecutive naturals, for example, 2630656763 + ... + 2630656808.

It is an arithmetic number, because the mean of its divisors is an integer number (31567881432).

Almost surely, 2^121010212133 is an apocalyptic number.

It is an amenable number.

121010212133 is a deficient number, since it is larger than the sum of its proper divisors (5261313595).

121010212133 is an equidigital number, since it uses as much as digits as its factorization.

121010212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261313594.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121010212133 its reverse (331212010121), we get a palindrome (452222222254).

The spelling of 121010212133 in words is "one hundred twenty-one billion, ten million, two hundred twelve thousand, one hundred thirty-three".