2221104435041 has 4 divisors (see below), whose sum is σ = 2221107768084. Its totient is φ = 2221101102000.

The previous prime is 2221104435007. The next prime is 2221104435049. The reversal of 2221104435041 is 1405344011222.

It is a happy number.

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 1830598176016 + 390506259025 = 1352996^2 + 624905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221104435041 - 2³⁰ = 2220030693217 is a prime.

It is a super-2 number, since 2×2221104435041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221104434995 and 2221104435013.

It is not an unprimeable number, because it can be changed into a prime (2221104435049) 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, 285410 + ... + 2126891.

It is an arithmetic number, because the mean of its divisors is an integer number (555276942021).

Almost surely, 2^{2221104435041} is an apocalyptic number.

It is an amenable number.

2221104435041 is a deficient number, since it is larger than the sum of its proper divisors (3333043).

2221104435041 is an equidigital number, since it uses as much as digits as its factorization.

2221104435041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333042.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 2221104435041 its reverse (1405344011222), we get a palindrome (3626448446263).

The spelling of 2221104435041 in words is "two trillion, two hundred twenty-one billion, one hundred four million, four hundred thirty-five thousand, forty-one".