1150211121 has 8 divisors (see below), whose sum is σ = 1535513760. Its totient is φ = 765857952.

The previous prime is 1150211063. The next prime is 1150211131. The reversal of 1150211121 is 1211120511.

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

It is not a de Polignac number, because 1150211121 - 2¹⁰ = 1150210097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1150211121.

It is not an unprimeable number, because it can be changed into a prime (1150211131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234535 + ... + 239388.

It is an arithmetic number, because the mean of its divisors is an integer number (191939220).

Almost surely, 2^1150211121 is an apocalyptic number.

It is an amenable number.

1150211121 is a deficient number, since it is larger than the sum of its proper divisors (385302639).

1150211121 is an equidigital number, since it uses as much as digits as its factorization.

1150211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474735.

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

The square root of 1150211121 is about 33914.7625820969. The cubic root of 1150211121 is about 1047.7536620795.

Adding to 1150211121 its reverse (1211120511), we get a palindrome (2361331632).

The spelling of 1150211121 in words is "one billion, one hundred fifty million, two hundred eleven thousand, one hundred twenty-one".