206061022321136 has 40 divisors (see below), whose sum is σ = 404871209735904. Its totient is φ = 101578164145920.

The previous prime is 206061022321123. The next prime is 206061022321153. The reversal of 206061022321136 is 631123220160602.

It is a super-2 number, since 2×206061022321136² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206061022321096 and 206061022321105.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 98079950 + ... + 100158866.

Almost surely, 2^{206061022321136} is an apocalyptic number.

It is an amenable number.

206061022321136 is a deficient number, since it is larger than the sum of its proper divisors (198810187414768).

206061022321136 is a wasteful number, since it uses less digits than its factorization.

206061022321136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166249 (or 2166243 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 206061022321136 its reverse (631123220160602), we get a palindrome (837184242481738).

The spelling of 206061022321136 in words is "two hundred six trillion, sixty-one billion, twenty-two million, three hundred twenty-one thousand, one hundred thirty-six".