10206224445721 has 8 divisors (see below), whose sum is σ = 10470686778720. Its totient is φ = 9945131059872.

The previous prime is 10206224445709. The next prime is 10206224445731. The reversal of 10206224445721 is 12754442260201.

It is a happy number.

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 10206224445721 - 2¹¹ = 10206224443673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10206224445701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842230651 + ... + 842242768.

It is an arithmetic number, because the mean of its divisors is an integer number (1308835847340).

Almost surely, 2^{10206224445721} is an apocalyptic number.

It is an amenable number.

10206224445721 is a deficient number, since it is larger than the sum of its proper divisors (264462332999).

10206224445721 is an equidigital number, since it uses as much as digits as its factorization.

10206224445721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684473575.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 10206224445721 in words is "ten trillion, two hundred six billion, two hundred twenty-four million, four hundred forty-five thousand, seven hundred twenty-one".