1211034113 has 12 divisors (see below), whose sum is σ = 1256372208. Its totient is φ = 1167282480.

The previous prime is 1211034109. The next prime is 1211034119. The reversal of 1211034113 is 3114301121.

It is not a de Polignac number, because 1211034113 - 2² = 1211034109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1211034091 and 1211034100.

It is not an unprimeable number, because it can be changed into a prime (1211034119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 815870 + ... + 817352.

It is an arithmetic number, because the mean of its divisors is an integer number (104697684).

Almost surely, 2^1211034113 is an apocalyptic number.

It is an amenable number.

1211034113 is a deficient number, since it is larger than the sum of its proper divisors (45338095).

1211034113 is an equidigital number, since it uses as much as digits as its factorization.

1211034113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1211034113 is about 34799.9154165639. The cubic root of 1211034113 is about 1065.9057186814.

Adding to 1211034113 its reverse (3114301121), we get a palindrome (4325335234).

The spelling of 1211034113 in words is "one billion, two hundred eleven million, thirty-four thousand, one hundred thirteen".