1211151314 has 8 divisors (see below), whose sum is σ = 1912344240. Its totient is φ = 573703236.

The previous prime is 1211151313. The next prime is 1211151329. The reversal of 1211151314 is 4131511121.

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

It is not an unprimeable number, because it can be changed into a prime (1211151313) 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 3 ways as a sum of consecutive naturals, for example, 15936164 + ... + 15936239.

It is an arithmetic number, because the mean of its divisors is an integer number (239043030).

Almost surely, 2^1211151314 is an apocalyptic number.

1211151314 is a deficient number, since it is larger than the sum of its proper divisors (701192926).

1211151314 is a wasteful number, since it uses less digits than its factorization.

1211151314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31872424.

The product of its digits is 120, while the sum is 20.

The square root of 1211151314 is about 34801.5993023309. The cubic root of 1211151314 is about 1065.9401028454.

Adding to 1211151314 its reverse (4131511121), we get a palindrome (5342662435).

The spelling of 1211151314 in words is "one billion, two hundred eleven million, one hundred fifty-one thousand, three hundred fourteen".