2203201120021 has 16 divisors (see below), whose sum is σ = 2419440945408. Its totient is φ = 1989626184000.

The previous prime is 2203201120019. The next prime is 2203201120049. The reversal of 2203201120021 is 1200211023022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2203201120021 - 2¹ = 2203201120019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2203201119977 and 2203201120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203201120051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6435471 + ... + 6769171.

It is an arithmetic number, because the mean of its divisors is an integer number (151215059088).

Almost surely, 2^{2203201120021} is an apocalyptic number.

It is an amenable number.

2203201120021 is a deficient number, since it is larger than the sum of its proper divisors (216239825387).

2203201120021 is a wasteful number, since it uses less digits than its factorization.

2203201120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337692.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2203201120021 its reverse (1200211023022), we get a palindrome (3403412143043).

The spelling of 2203201120021 in words is "two trillion, two hundred three billion, two hundred one million, one hundred twenty thousand, twenty-one".