1330121211 has 8 divisors (see below), whose sum is σ = 1850603520. Its totient is φ = 848193192.

The previous prime is 1330121203. The next prime is 1330121213. The reversal of 1330121211 is 1121210331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1330121211 - 2³ = 1330121203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330121213) 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, 9638491 + ... + 9638628.

It is an arithmetic number, because the mean of its divisors is an integer number (231325440).

Almost surely, 2^1330121211 is an apocalyptic number.

1330121211 is a deficient number, since it is larger than the sum of its proper divisors (520482309).

1330121211 is a wasteful number, since it uses less digits than its factorization.

1330121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19277145.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1330121211 is about 36470.8268483181. The cubic root of 1330121211 is about 1099.7578560670.

Adding to 1330121211 its reverse (1121210331), we get a palindrome (2451331542).

The spelling of 1330121211 in words is "one billion, three hundred thirty million, one hundred twenty-one thousand, two hundred eleven".