1102021002113 has 4 divisors (see below), whose sum is σ = 1102041288660. Its totient is φ = 1102000715568.

The previous prime is 1102021002097. The next prime is 1102021002151. The reversal of 1102021002113 is 3112001202011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 630145429489 + 471875572624 = 793817^2 + 686932^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102021002113 - 2⁴ = 1102021002097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102021002013) 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, 10061570 + ... + 10170507.

It is an arithmetic number, because the mean of its divisors is an integer number (275510322165).

Almost surely, 2^{1102021002113} is an apocalyptic number.

It is an amenable number.

1102021002113 is a deficient number, since it is larger than the sum of its proper divisors (20286547).

1102021002113 is an equidigital number, since it uses as much as digits as its factorization.

1102021002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20286546.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1102021002113 its reverse (3112001202011), we get a palindrome (4214022204124).

The spelling of 1102021002113 in words is "one trillion, one hundred two billion, twenty-one million, two thousand, one hundred thirteen".