1021114013 has 2 divisors, whose sum is σ = 1021114014. Its totient is φ = 1021114012.

The previous prime is 1021114001. The next prime is 1021114043. The reversal of 1021114013 is 3104111201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1020291364 + 822649 = 31942^2 + 907^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021114013 - 2⁴ = 1021113997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021114043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510557006 + 510557007.

It is an arithmetic number, because the mean of its divisors is an integer number (510557007).

Almost surely, 2^1021114013 is an apocalyptic number.

It is an amenable number.

1021114013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021114013 is an equidigital number, since it uses as much as digits as its factorization.

1021114013 is an evil number, because the sum of its binary digits is even.

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

The square root of 1021114013 is about 31954.8746359613. The cubic root of 1021114013 is about 1006.9890438027.

Adding to 1021114013 its reverse (3104111201), we get a palindrome (4125225214).

The spelling of 1021114013 in words is "one billion, twenty-one million, one hundred fourteen thousand, thirteen".