1012211101513 has 2 divisors, whose sum is σ = 1012211101514. Its totient is φ = 1012211101512.

The previous prime is 1012211101469. The next prime is 1012211101571. The reversal of 1012211101513 is 3151011122101.

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., 808062559929 + 204148541584 = 898923^2 + 451828^2 .

It is an emirp because it is prime and its reverse (3151011122101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012211101513 - 2³³ = 1003621166921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012211171513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506105550756 + 506105550757.

It is an arithmetic number, because the mean of its divisors is an integer number (506105550757).

Almost surely, 2^{1012211101513} is an apocalyptic number.

It is an amenable number.

1012211101513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012211101513 is an equidigital number, since it uses as much as digits as its factorization.

1012211101513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 19.

Adding to 1012211101513 its reverse (3151011122101), we get a palindrome (4163222223614).

The spelling of 1012211101513 in words is "one trillion, twelve billion, two hundred eleven million, one hundred one thousand, five hundred thirteen".