10200315221 has 2 divisors, whose sum is σ = 10200315222. Its totient is φ = 10200315220.

The previous prime is 10200315211. The next prime is 10200315239. The reversal of 10200315221 is 12251300201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9117576196 + 1082739025 = 95486^2 + 32905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10200315221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10200315221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10200315211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100157610 + 5100157611.

It is an arithmetic number, because the mean of its divisors is an integer number (5100157611).

Almost surely, 2^10200315221 is an apocalyptic number.

It is an amenable number.

10200315221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10200315221 is an equidigital number, since it uses as much as digits as its factorization.

10200315221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 10200315221 its reverse (12251300201), we get a palindrome (22451615422).

The spelling of 10200315221 in words is "ten billion, two hundred million, three hundred fifteen thousand, two hundred twenty-one".