1011421013 has 2 divisors, whose sum is σ = 1011421014. Its totient is φ = 1011421012.

The previous prime is 1011420989. The next prime is 1011421109. The reversal of 1011421013 is 3101241101.

1011421013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 897721444 + 113699569 = 29962^2 + 10663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011421013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011421913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505710506 + 505710507.

It is an arithmetic number, because the mean of its divisors is an integer number (505710507).

Almost surely, 2^1011421013 is an apocalyptic number.

It is an amenable number.

1011421013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011421013 is an equidigital number, since it uses as much as digits as its factorization.

1011421013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1011421013 is about 31802.8459889992. The cubic root of 1011421013 is about 1003.7926023169.

Adding to 1011421013 its reverse (3101241101), we get a palindrome (4112662114).

The spelling of 1011421013 in words is "one billion, eleven million, four hundred twenty-one thousand, thirteen".