1100001213 has 12 divisors (see below), whose sum is σ = 1589716128. Its totient is φ = 732953160.

The previous prime is 1100001211. The next prime is 1100001239. The reversal of 1100001213 is 3121000011.

1100001213 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1100001213 - 2¹ = 1100001211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1100001195 and 1100001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100001211) 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, 12873 + ... + 48638.

It is an arithmetic number, because the mean of its divisors is an integer number (132476344).

Almost surely, 2^1100001213 is an apocalyptic number.

It is an amenable number.

1100001213 is a deficient number, since it is larger than the sum of its proper divisors (489714915).

1100001213 is a wasteful number, since it uses less digits than its factorization.

1100001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63504 (or 63501 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1100001213 is about 33166.2661902120. The cubic root of 1100001213 is about 1032.2804948974.

Adding to 1100001213 its reverse (3121000011), we get a palindrome (4221001224).

The spelling of 1100001213 in words is "one billion, one hundred million, one thousand, two hundred thirteen".