2221543040411 has 4 divisors (see below), whose sum is σ = 2225251794000. Its totient is φ = 2217834286824.

The previous prime is 2221543040377. The next prime is 2221543040429. The reversal of 2221543040411 is 1140403451222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2221543040411 - 2³⁸ = 1946665133467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221543040011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854375896 + ... + 1854377093.

It is an arithmetic number, because the mean of its divisors is an integer number (556312948500).

Almost surely, 2^{2221543040411} is an apocalyptic number.

2221543040411 is a deficient number, since it is larger than the sum of its proper divisors (3708753589).

2221543040411 is an equidigital number, since it uses as much as digits as its factorization.

2221543040411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708753588.

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

Adding to 2221543040411 its reverse (1140403451222), we get a palindrome (3361946491633).

The spelling of 2221543040411 in words is "two trillion, two hundred twenty-one billion, five hundred forty-three million, forty thousand, four hundred eleven".