22011221505057 has 8 divisors (see below), whose sum is σ = 29617545756480. Its totient is φ = 14539522461840.

The previous prime is 22011221505043. The next prime is 22011221505061. The reversal of 22011221505057 is 75050512211022.

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

It is not a de Polignac number, because 22011221505057 - 2⁴ = 22011221505041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011221525057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33656301669 + ... + 33656302322.

It is an arithmetic number, because the mean of its divisors is an integer number (3702193219560).

Almost surely, 2^{22011221505057} is an apocalyptic number.

It is an amenable number.

22011221505057 is a deficient number, since it is larger than the sum of its proper divisors (7606324251423).

22011221505057 is a wasteful number, since it uses less digits than its factorization.

22011221505057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67312604103.

The product of its (nonzero) digits is 14000, while the sum is 33.

Adding to 22011221505057 its reverse (75050512211022), we get a palindrome (97061733716079).

The spelling of 22011221505057 in words is "twenty-two trillion, eleven billion, two hundred twenty-one million, five hundred five thousand, fifty-seven".