502206221101 has 4 divisors (see below), whose sum is σ = 540837468892. Its totient is φ = 463574973312.

The previous prime is 502206221063. The next prime is 502206221119. The reversal of 502206221101 is 101122602205.

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 183968077225 + 318238143876 = 428915^2 + 564126^2 .

It is a cyclic number.

It is not a de Polignac number, because 502206221101 - 2¹⁵ = 502206188333 is a prime.

It is a super-2 number, since 2×502206221101² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502206224101) 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, 19315623876 + ... + 19315623901.

It is an arithmetic number, because the mean of its divisors is an integer number (135209367223).

Almost surely, 2^502206221101 is an apocalyptic number.

It is an amenable number.

502206221101 is a deficient number, since it is larger than the sum of its proper divisors (38631247791).

502206221101 is a wasteful number, since it uses less digits than its factorization.

502206221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38631247790.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 502206221101 its reverse (101122602205), we get a palindrome (603328823306).

The spelling of 502206221101 in words is "five hundred two billion, two hundred six million, two hundred twenty-one thousand, one hundred one".