1211032113 has 8 divisors (see below), whose sum is σ = 1636829088. Its totient is φ = 796294944.

The previous prime is 1211032103. The next prime is 1211032157. The reversal of 1211032113 is 3112301121.

It is a happy number.

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-1211032113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211032092 and 1211032101.

It is not an unprimeable number, because it can be changed into a prime (1211032103) 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, 2764695 + ... + 2765132.

It is an arithmetic number, because the mean of its divisors is an integer number (204603636).

Almost surely, 2^1211032113 is an apocalyptic number.

It is an amenable number.

1211032113 is a deficient number, since it is larger than the sum of its proper divisors (425796975).

1211032113 is an equidigital number, since it uses as much as digits as its factorization.

1211032113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5529903.

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

The square root of 1211032113 is about 34799.8866808500. The cubic root of 1211032113 is about 1065.9051319067.

Adding to 1211032113 its reverse (3112301121), we get a palindrome (4323333234).

The spelling of 1211032113 in words is "one billion, two hundred eleven million, thirty-two thousand, one hundred thirteen".