1011210221113 has 2 divisors, whose sum is σ = 1011210221114. Its totient is φ = 1011210221112.

The previous prime is 1011210220987. The next prime is 1011210221141. The reversal of 1011210221113 is 3111220121101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 674151018489 + 337059202624 = 821067^2 + 580568^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011210221113 - 2³⁷ = 873771267641 is a prime.

It is a super-2 number, since 2×1011210221113² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011210221173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505605110556 + 505605110557.

It is an arithmetic number, because the mean of its divisors is an integer number (505605110557).

Almost surely, 2^{1011210221113} is an apocalyptic number.

It is an amenable number.

1011210221113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011210221113 is an equidigital number, since it uses as much as digits as its factorization.

1011210221113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1011210221113 its reverse (3111220121101), we get a palindrome (4122430342214).

The spelling of 1011210221113 in words is "one trillion, eleven billion, two hundred ten million, two hundred twenty-one thousand, one hundred thirteen".