11021054224561 has 8 divisors (see below), whose sum is σ = 11064380573160. Its totient is φ = 10977731309568.

The previous prime is 11021054224517. The next prime is 11021054224591. The reversal of 11021054224561 is 16542245012011.

It can be written as a sum of positive squares in 4 ways, for example, as 1457467049536 + 9563587175025 = 1207256^2 + 3092505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11021054224561 - 2¹¹ = 11021054222513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021054224591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5671155 + ... + 7362343.

It is an arithmetic number, because the mean of its divisors is an integer number (1383047571645).

Almost surely, 2^{11021054224561} is an apocalyptic number.

It is an amenable number.

11021054224561 is a deficient number, since it is larger than the sum of its proper divisors (43326348599).

11021054224561 is a wasteful number, since it uses less digits than its factorization.

11021054224561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716803.

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 11021054224561 its reverse (16542245012011), we get a palindrome (27563299236572).

The spelling of 11021054224561 in words is "eleven trillion, twenty-one billion, fifty-four million, two hundred twenty-four thousand, five hundred sixty-one".