205216425103001 has 16 divisors (see below), whose sum is σ = 222011327865600. Its totient is φ = 188567308211520.

The previous prime is 205216425102911. The next prime is 205216425103049. The reversal of 205216425103001 is 100301524612502.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205216425103001 is a prime.

It is a super-2 number, since 2×205216425103001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205216425103051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31153826 + ... + 37161723.

It is an arithmetic number, because the mean of its divisors is an integer number (13875707991600).

Almost surely, 2^{205216425103001} is an apocalyptic number.

It is an amenable number.

205216425103001 is a deficient number, since it is larger than the sum of its proper divisors (16794902762599).

205216425103001 is a wasteful number, since it uses less digits than its factorization.

205216425103001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68316616.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 205216425103001 its reverse (100301524612502), we get a palindrome (305517949715503).

The spelling of 205216425103001 in words is "two hundred five trillion, two hundred sixteen billion, four hundred twenty-five million, one hundred three thousand, one".