522045100423211 has 4 divisors (see below), whose sum is σ = 538885264953024. Its totient is φ = 505204935893400.

The previous prime is 522045100423207. The next prime is 522045100423237. The reversal of 522045100423211 is 112324001540225.

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 522045100423211 - 2² = 522045100423207 is a prime.

It is a super-2 number, since 2×522045100423211² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522045100423201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8420082264860 + ... + 8420082264921.

It is an arithmetic number, because the mean of its divisors is an integer number (134721316238256).

Almost surely, 2^{522045100423211} is an apocalyptic number.

522045100423211 is a deficient number, since it is larger than the sum of its proper divisors (16840164529813).

522045100423211 is a wasteful number, since it uses less digits than its factorization.

522045100423211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16840164529812.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 522045100423211 its reverse (112324001540225), we get a palindrome (634369101963436).

The spelling of 522045100423211 in words is "five hundred twenty-two trillion, forty-five billion, one hundred million, four hundred twenty-three thousand, two hundred eleven".