121133033211 has 4 divisors (see below), whose sum is σ = 161510710952. Its totient is φ = 80755355472.

The previous prime is 121133033207. The next prime is 121133033221. The reversal of 121133033211 is 112330331121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 121133033211 - 2² = 121133033207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121133033221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20188838866 + ... + 20188838871.

It is an arithmetic number, because the mean of its divisors is an integer number (40377677738).

Almost surely, 2^121133033211 is an apocalyptic number.

121133033211 is a deficient number, since it is larger than the sum of its proper divisors (40377677741).

121133033211 is an equidigital number, since it uses as much as digits as its factorization.

121133033211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40377677740.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121133033211 its reverse (112330331121), we get a palindrome (233463364332).

The spelling of 121133033211 in words is "one hundred twenty-one billion, one hundred thirty-three million, thirty-three thousand, two hundred eleven".