1150121211 has 8 divisors (see below), whose sum is σ = 1535422224. Its totient is φ = 765783840.

The previous prime is 1150121197. The next prime is 1150121221. The reversal of 1150121211 is 1121210511.

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

It is a de Polignac number, because none of the positive numbers 2^k-1150121211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1150121221) 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 7 ways as a sum of consecutive naturals, for example, 238120 + ... + 242901.

It is an arithmetic number, because the mean of its divisors is an integer number (191927778).

Almost surely, 2^1150121211 is an apocalyptic number.

1150121211 is a deficient number, since it is larger than the sum of its proper divisors (385301013).

1150121211 is an equidigital number, since it uses as much as digits as its factorization.

1150121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481821.

The product of its (nonzero) digits is 20, while the sum is 15.

The square root of 1150121211 is about 33913.4370272316. The cubic root of 1150121211 is about 1047.7263610085.

Adding to 1150121211 its reverse (1121210511), we get a palindrome (2271331722).

The spelling of 1150121211 in words is "one billion, one hundred fifty million, one hundred twenty-one thousand, two hundred eleven".