103012110210221 has 2 divisors, whose sum is σ = 103012110210222. Its totient is φ = 103012110210220.

The previous prime is 103012110210211. The next prime is 103012110210313. The reversal of 103012110210221 is 122012011210301.

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., 102942736444900 + 69373765321 = 10146070^2 + 263389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103012110210221 is a prime.

It is a super-2 number, since 2×103012110210221² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103012110210221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103012110210211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51506055105110 + 51506055105111.

It is an arithmetic number, because the mean of its divisors is an integer number (51506055105111).

Almost surely, 2^{103012110210221} is an apocalyptic number.

It is an amenable number.

103012110210221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103012110210221 is an equidigital number, since it uses as much as digits as its factorization.

103012110210221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 103012110210221 its reverse (122012011210301), we get a palindrome (225024121420522).

The spelling of 103012110210221 in words is "one hundred three trillion, twelve billion, one hundred ten million, two hundred ten thousand, two hundred twenty-one".