121332013211 has 4 divisors (see below), whose sum is σ = 121332723624. Its totient is φ = 121331302800.

The previous prime is 121332013169. The next prime is 121332013219. The reversal of 121332013211 is 112310233121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 112310233121 = 304091 ⋅369331.

It is a cyclic number.

It is not a de Polignac number, because 121332013211 - 2²⁶ = 121264904347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121332013219) 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 3 ways as a sum of consecutive naturals, for example, 73256 + ... + 498026.

It is an arithmetic number, because the mean of its divisors is an integer number (30333180906).

Almost surely, 2^121332013211 is an apocalyptic number.

121332013211 is a deficient number, since it is larger than the sum of its proper divisors (710413).

121332013211 is an equidigital number, since it uses as much as digits as its factorization.

121332013211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710412.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121332013211 its reverse (112310233121), we get a palindrome (233642246332).

The spelling of 121332013211 in words is "one hundred twenty-one billion, three hundred thirty-two million, thirteen thousand, two hundred eleven".