10020200221001 has 4 divisors (see below), whose sum is σ = 10233395970432. Its totient is φ = 9807004471572.

The previous prime is 10020200220997. The next prime is 10020200221033. The reversal of 10020200221001 is 10012200202001.

It is a happy number.

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 10020200221001 - 2² = 10020200220997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020200221091) 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, 106597874645 + ... + 106597874738.

It is an arithmetic number, because the mean of its divisors is an integer number (2558348992608).

Almost surely, 2^{10020200221001} is an apocalyptic number.

It is an amenable number.

10020200221001 is a deficient number, since it is larger than the sum of its proper divisors (213195749431).

10020200221001 is an equidigital number, since it uses as much as digits as its factorization.

10020200221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213195749430.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10020200221001 its reverse (10012200202001), we get a palindrome (20032400423002).

The spelling of 10020200221001 in words is "ten trillion, twenty billion, two hundred million, two hundred twenty-one thousand, one".