105541203321 has 24 divisors (see below), whose sum is σ = 156908984960. Its totient is φ = 68331276000.

The previous prime is 105541203301. The next prime is 105541203337. The reversal of 105541203321 is 123302145501.

It is not a de Polignac number, because 105541203321 - 2¹³ = 105541195129 is a prime.

It is a super-2 number, since 2×105541203321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105541203301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1173355 + ... + 1260096.

Almost surely, 2^105541203321 is an apocalyptic number.

It is an amenable number.

105541203321 is a deficient number, since it is larger than the sum of its proper divisors (51367781639).

105541203321 is a wasteful number, since it uses less digits than its factorization.

105541203321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433597 (or 2433594 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 105541203321 its reverse (123302145501), we get a palindrome (228843348822).

The spelling of 105541203321 in words is "one hundred five billion, five hundred forty-one million, two hundred three thousand, three hundred twenty-one".