2203011421 has 4 divisors (see below), whose sum is σ = 2372473852. Its totient is φ = 2033548992.

The previous prime is 2203011407. The next prime is 2203011439. The reversal of 2203011421 is 1241103022.

2203011421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 279224100 + 1923787321 = 16710^2 + 43861^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203011421 - 2²¹ = 2200914269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2203011395 and 2203011404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203011451) 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, 84731196 + ... + 84731221.

It is an arithmetic number, because the mean of its divisors is an integer number (593118463).

Almost surely, 2^2203011421 is an apocalyptic number.

It is an amenable number.

2203011421 is a deficient number, since it is larger than the sum of its proper divisors (169462431).

2203011421 is a wasteful number, since it uses less digits than its factorization.

2203011421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169462430.

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

The square root of 2203011421 is about 46936.2484759913. The cubic root of 2203011421 is about 1301.1846048347.

Adding to 2203011421 its reverse (1241103022), we get a palindrome (3444114443).

The spelling of 2203011421 in words is "two billion, two hundred three million, eleven thousand, four hundred twenty-one".