10112021501 has 2 divisors, whose sum is σ = 10112021502. Its totient is φ = 10112021500.

The previous prime is 10112021489. The next prime is 10112021503. The reversal of 10112021501 is 10512021101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5453822500 + 4658199001 = 73850^2 + 68251^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112021501 - 2²⁶ = 10044912637 is a prime.

It is a Sophie Germain prime.

Together with 10112021503, it forms a pair of twin primes.

It is a Chen 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 (10112021503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056010750 + 5056010751.

It is an arithmetic number, because the mean of its divisors is an integer number (5056010751).

Almost surely, 2^10112021501 is an apocalyptic number.

It is an amenable number.

10112021501 is a deficient number, since it is larger than the sum of its proper divisors (1).

10112021501 is an equidigital number, since it uses as much as digits as its factorization.

10112021501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 10112021501 its reverse (10512021101), we get a palindrome (20624042602).

The spelling of 10112021501 in words is "ten billion, one hundred twelve million, twenty-one thousand, five hundred one".