1211104213 has 8 divisors (see below), whose sum is σ = 1390741920. Its totient is φ = 1043056080.

The previous prime is 1211104201. The next prime is 1211104273. The reversal of 1211104213 is 3124011121.

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-1211104213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211104273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2897170 + ... + 2897587.

It is an arithmetic number, because the mean of its divisors is an integer number (173842740).

Almost surely, 2^1211104213 is an apocalyptic number.

It is an amenable number.

1211104213 is a deficient number, since it is larger than the sum of its proper divisors (179637707).

1211104213 is a wasteful number, since it uses less digits than its factorization.

1211104213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5794787.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1211104213 is about 34800.9225883453. The cubic root of 1211104213 is about 1065.9262847273.

Adding to 1211104213 its reverse (3124011121), we get a palindrome (4335115334).

The spelling of 1211104213 in words is "one billion, two hundred eleven million, one hundred four thousand, two hundred thirteen".