11203221441 has 16 divisors (see below), whose sum is σ = 14975186688. Its totient is φ = 7450060800.

The previous prime is 11203221413. The next prime is 11203221479. The reversal of 11203221441 is 14412230211.

It is not a de Polignac number, because 11203221441 - 2⁹ = 11203220929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11203221401) 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, 2497921 + ... + 2502401.

It is an arithmetic number, because the mean of its divisors is an integer number (935949168).

Almost surely, 2^11203221441 is an apocalyptic number.

It is an amenable number.

11203221441 is a deficient number, since it is larger than the sum of its proper divisors (3771965247).

11203221441 is a wasteful number, since it uses less digits than its factorization.

11203221441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11203221441 its reverse (14412230211), we get a palindrome (25615451652).

The spelling of 11203221441 in words is "eleven billion, two hundred three million, two hundred twenty-one thousand, four hundred forty-one".