10501136021 has 4 divisors (see below), whose sum is σ = 10502120844. Its totient is φ = 10500151200.

The previous prime is 10501135993. The next prime is 10501136083. The reversal of 10501136021 is 12063110501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5762328100 + 4738807921 = 75910^2 + 68839^2 .

It is a cyclic number.

It is not a de Polignac number, because 10501136021 - 2¹⁰ = 10501134997 is a prime.

It is a super-2 number, since 2×10501136021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10501135984 and 10501136002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10501156021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476240 + ... + 497801.

It is an arithmetic number, because the mean of its divisors is an integer number (2625530211).

Almost surely, 2^10501136021 is an apocalyptic number.

It is an amenable number.

10501136021 is a deficient number, since it is larger than the sum of its proper divisors (984823).

10501136021 is an equidigital number, since it uses as much as digits as its factorization.

10501136021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984822.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 10501136021 its reverse (12063110501), we get a palindrome (22564246522).

The spelling of 10501136021 in words is "ten billion, five hundred one million, one hundred thirty-six thousand, twenty-one".