10206441355621 has 8 divisors (see below), whose sum is σ = 11667083373504. Its totient is φ = 8746444079520.

The previous prime is 10206441355571. The next prime is 10206441355633. The reversal of 10206441355621 is 12655314460201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10206441355621 - 2¹⁷ = 10206441224549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206441755621) 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, 161151520 + ... + 161214841.

It is an arithmetic number, because the mean of its divisors is an integer number (1458385421688).

Almost surely, 2^{10206441355621} is an apocalyptic number.

It is an amenable number.

10206441355621 is a deficient number, since it is larger than the sum of its proper divisors (1460642017883).

10206441355621 is an equidigital number, since it uses as much as digits as its factorization.

10206441355621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322370891.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 10206441355621 in words is "ten trillion, two hundred six billion, four hundred forty-one million, three hundred fifty-five thousand, six hundred twenty-one".