2111203441 has 4 divisors (see below), whose sum is σ = 2120422900. Its totient is φ = 2101983984.

The previous prime is 2111203439. The next prime is 2111203477. The reversal of 2111203441 is 1443021112.

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 1842899041 + 268304400 = 42929^2 + 16380^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111203441 - 2¹ = 2111203439 is a prime.

It is a super-4 number, since 4×2111203441⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111203141) 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, 4609386 + ... + 4609843.

It is an arithmetic number, because the mean of its divisors is an integer number (530105725).

Almost surely, 2^2111203441 is an apocalyptic number.

It is an amenable number.

2111203441 is a deficient number, since it is larger than the sum of its proper divisors (9219459).

2111203441 is an equidigital number, since it uses as much as digits as its factorization.

2111203441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219458.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2111203441 is about 45947.8339097721. The cubic root of 2111203441 is about 1282.8524118204.

Adding to 2111203441 its reverse (1443021112), we get a palindrome (3554224553).

The spelling of 2111203441 in words is "two billion, one hundred eleven million, two hundred three thousand, four hundred forty-one".