1001211013 has 8 divisors (see below), whose sum is σ = 1099562400. Its totient is φ = 904081680.

The previous prime is 1001210981. The next prime is 1001211017. The reversal of 1001211013 is 3101121001.

1001211013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1001211013 - 2⁵ = 1001210981 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 (1001211017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303795 + ... + 307072.

It is an arithmetic number, because the mean of its divisors is an integer number (137445300).

Almost surely, 2^1001211013 is an apocalyptic number.

It is an amenable number.

1001211013 is a deficient number, since it is larger than the sum of its proper divisors (98351387).

1001211013 is a wasteful number, since it uses less digits than its factorization.

1001211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611027.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1001211013 is about 31641.9186049140. The cubic root of 1001211013 is about 1000.4035081593.

Adding to 1001211013 its reverse (3101121001), we get a palindrome (4102332014).

It can be divided in two parts, 10012 and 11013, that added together give a square (21025 = 145²).

The spelling of 1001211013 in words is "one billion, one million, two hundred eleven thousand, thirteen".