10200075656621 has 4 divisors (see below), whose sum is σ = 10200299864832. Its totient is φ = 10199851448412.

The previous prime is 10200075656527. The next prime is 10200075656623. The reversal of 10200075656621 is 12665657000201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10200075656621 - 2¹⁸ = 10200075394477 is a prime.

It is a super-2 number, since 2×10200075656621² (a number of 27 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 (10200075656623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112035851 + ... + 112126856.

It is an arithmetic number, because the mean of its divisors is an integer number (2550074966208).

Almost surely, 2^{10200075656621} is an apocalyptic number.

It is an amenable number.

10200075656621 is a deficient number, since it is larger than the sum of its proper divisors (224208211).

10200075656621 is an equidigital number, since it uses as much as digits as its factorization.

10200075656621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224208210.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 10200075656621 in words is "ten trillion, two hundred billion, seventy-five million, six hundred fifty-six thousand, six hundred twenty-one".