1021501152013 has 8 divisors (see below), whose sum is σ = 1075457770400. Its totient is φ = 967563873648.

The previous prime is 1021501151977. The next prime is 1021501152047. The reversal of 1021501152013 is 3102511051201.

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 1021501152013 - 2²¹ = 1021499054861 is a prime.

It is a super-2 number, since 2×1021501152013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021501152913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4726518 + ... + 4937911.

It is an arithmetic number, because the mean of its divisors is an integer number (134432221300).

Almost surely, 2^{1021501152013} is an apocalyptic number.

It is an amenable number.

1021501152013 is a deficient number, since it is larger than the sum of its proper divisors (53956618387).

1021501152013 is an equidigital number, since it uses as much as digits as its factorization.

1021501152013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670011.

The product of its (nonzero) digits is 300, while the sum is 22.

The spelling of 1021501152013 in words is "one trillion, twenty-one billion, five hundred one million, one hundred fifty-two thousand, thirteen".