1015210112201 has 2 divisors, whose sum is σ = 1015210112202. Its totient is φ = 1015210112200.

The previous prime is 1015210112159. The next prime is 1015210112281. The reversal of 1015210112201 is 1022110125101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964371136576 + 50838975625 = 982024^2 + 225475^2 .

It is a cyclic number.

It is not a de Polignac number, because 1015210112201 - 2³⁴ = 998030243017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1015210112201.

It is not a weakly prime, because it can be changed into another prime (1015210112281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507605056100 + 507605056101.

It is an arithmetic number, because the mean of its divisors is an integer number (507605056101).

Almost surely, 2^{1015210112201} is an apocalyptic number.

It is an amenable number.

1015210112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015210112201 is an equidigital number, since it uses as much as digits as its factorization.

1015210112201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 1015210112201 its reverse (1022110125101), we get a palindrome (2037320237302).

The spelling of 1015210112201 in words is "one trillion, fifteen billion, two hundred ten million, one hundred twelve thousand, two hundred one".