1015211201 has 2 divisors, whose sum is σ = 1015211202. Its totient is φ = 1015211200.

The previous prime is 1015211177. The next prime is 1015211213. The reversal of 1015211201 is 1021125101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 931470400 + 83740801 = 30520^2 + 9151^2 .

It is an emirp because it is prime and its reverse (1021125101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1015211201 - 2⁶ = 1015211137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1015211221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507605600 + 507605601.

It is an arithmetic number, because the mean of its divisors is an integer number (507605601).

Almost surely, 2^1015211201 is an apocalyptic number.

It is an amenable number.

1015211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015211201 is an equidigital number, since it uses as much as digits as its factorization.

1015211201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 1015211201 is about 31862.3790856866. The cubic root of 1015211201 is about 1005.0449064528.

Adding to 1015211201 its reverse (1021125101), we get a palindrome (2036336302).

The spelling of 1015211201 in words is "one billion, fifteen million, two hundred eleven thousand, two hundred one".