2203214123021 has 4 divisors (see below), whose sum is σ = 2205585721500. Its totient is φ = 2200842524544.

The previous prime is 2203214123003. The next prime is 2203214123023. The reversal of 2203214123021 is 1203214123022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119850978025 + 2083363144996 = 346195^2 + 1443386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203214123021 - 2¹⁴ = 2203214106637 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 (2203214123023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1185797846 + ... + 1185799703.

It is an arithmetic number, because the mean of its divisors is an integer number (551396430375).

Almost surely, 2^{2203214123021} is an apocalyptic number.

It is an amenable number.

2203214123021 is a deficient number, since it is larger than the sum of its proper divisors (2371598479).

2203214123021 is an equidigital number, since it uses as much as digits as its factorization.

2203214123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371598478.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2203214123021 its reverse (1203214123022), we get a palindrome (3406428246043).

Subtracting from 2203214123021 its reverse (1203214123022), we obtain a palindrome (999999999999).

The spelling of 2203214123021 in words is "two trillion, two hundred three billion, two hundred fourteen million, one hundred twenty-three thousand, twenty-one".