2201003300021 has 4 divisors (see below), whose sum is σ = 2201720943552. Its totient is φ = 2200285656492.

The previous prime is 2201003299951. The next prime is 2201003300039. The reversal of 2201003300021 is 1200033001022.

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 a de Polignac number, because none of the positive numbers 2^k-2201003300021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201003299969 and 2201003300005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201003300621) 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, 358817165 + ... + 358823298.

It is an arithmetic number, because the mean of its divisors is an integer number (550430235888).

Almost surely, 2^{2201003300021} is an apocalyptic number.

It is an amenable number.

2201003300021 is a deficient number, since it is larger than the sum of its proper divisors (717643531).

2201003300021 is an equidigital number, since it uses as much as digits as its factorization.

2201003300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717643530.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 2201003300021 its reverse (1200033001022), we get a palindrome (3401036301043).

The spelling of 2201003300021 in words is "two trillion, two hundred one billion, three million, three hundred thousand, twenty-one".