1002218113 has 4 divisors (see below), whose sum is σ = 1079311828. Its totient is φ = 925124400.

The previous prime is 1002218081. The next prime is 1002218159. The reversal of 1002218113 is 3118122001.

1002218113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3118122001 = 19207 ⋅162343.

It can be written as a sum of positive squares in 2 ways, for example, as 586995984 + 415222129 = 24228^2 + 20377^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002218113 - 2⁵ = 1002218081 is a prime.

It is a super-2 number, since 2×1002218113² = 2008882292050561538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002218183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38546838 + ... + 38546863.

It is an arithmetic number, because the mean of its divisors is an integer number (269827957).

Almost surely, 2^1002218113 is an apocalyptic number.

1002218113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1002218113 is a deficient number, since it is larger than the sum of its proper divisors (77093715).

1002218113 is an equidigital number, since it uses as much as digits as its factorization.

1002218113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77093714.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1002218113 is about 31657.8286210536. The cubic root of 1002218113 is about 1000.7388250032.

The spelling of 1002218113 in words is "one billion, two million, two hundred eighteen thousand, one hundred thirteen".