10203200221001 has 8 divisors (see below), whose sum is σ = 10409374069704. Its totient is φ = 9997532321920.

The previous prime is 10203200220979. The next prime is 10203200221009. The reversal of 10203200221001 is 10012200230201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1771720723600 + 8431479497401 = 1331060^2 + 2903701^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10203200221001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10203200221009) 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, 126446666 + ... + 126527331.

It is an arithmetic number, because the mean of its divisors is an integer number (1301171758713).

Almost surely, 2^{10203200221001} is an apocalyptic number.

It is an amenable number.

10203200221001 is a deficient number, since it is larger than the sum of its proper divisors (206173848703).

10203200221001 is an equidigital number, since it uses as much as digits as its factorization.

10203200221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252974811.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10203200221001 its reverse (10012200230201), we get a palindrome (20215400451202).

The spelling of 10203200221001 in words is "ten trillion, two hundred three billion, two hundred million, two hundred twenty-one thousand, one".