10300213721 has 4 divisors (see below), whose sum is σ = 11771672832. Its totient is φ = 8828754612.

The previous prime is 10300213619. The next prime is 10300213727. The reversal of 10300213721 is 12731200301.

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 10300213721 - 2¹⁰ = 10300212697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10300213693 and 10300213702.

It is not an unprimeable number, because it can be changed into a prime (10300213727) 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, 735729545 + ... + 735729558.

It is an arithmetic number, because the mean of its divisors is an integer number (2942918208).

Almost surely, 2^10300213721 is an apocalyptic number.

It is an amenable number.

10300213721 is a deficient number, since it is larger than the sum of its proper divisors (1471459111).

10300213721 is an equidigital number, since it uses as much as digits as its factorization.

10300213721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471459110.

The product of its (nonzero) digits is 252, while the sum is 20.

The spelling of 10300213721 in words is "ten billion, three hundred million, two hundred thirteen thousand, seven hundred twenty-one".