121133320211 has 8 divisors (see below), whose sum is σ = 121281951744. Its totient is φ = 120984743880.

The previous prime is 121133320207. The next prime is 121133320213. The reversal of 121133320211 is 112023331121.

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 121133320211 - 2² = 121133320207 is a prime.

It is a super-2 number, since 2×121133320211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121133320213) 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, 5839520 + ... + 5860226.

It is an arithmetic number, because the mean of its divisors is an integer number (15160243968).

Almost surely, 2^121133320211 is an apocalyptic number.

121133320211 is a deficient number, since it is larger than the sum of its proper divisors (148631533).

121133320211 is an equidigital number, since it uses as much as digits as its factorization.

121133320211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27601.

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

Adding to 121133320211 its reverse (112023331121), we get a palindrome (233156651332).

The spelling of 121133320211 in words is "one hundred twenty-one billion, one hundred thirty-three million, three hundred twenty thousand, two hundred eleven".