11012002120213 has 4 divisors (see below), whose sum is σ = 11012222953260. Its totient is φ = 11011781287168.

The previous prime is 11012002120199. The next prime is 11012002120241. The reversal of 11012002120213 is 31202120021011.

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 2121121349649 + 8890880770564 = 1456407^2 + 2981758^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012002120213 - 2²¹ = 11012000023061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012002120313) 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, 110341708 + ... + 110441461.

It is an arithmetic number, because the mean of its divisors is an integer number (2753055738315).

Almost surely, 2^{11012002120213} is an apocalyptic number.

It is an amenable number.

11012002120213 is a deficient number, since it is larger than the sum of its proper divisors (220833047).

11012002120213 is an equidigital number, since it uses as much as digits as its factorization.

11012002120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220833046.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11012002120213 its reverse (31202120021011), we get a palindrome (42214122141224).

The spelling of 11012002120213 in words is "eleven trillion, twelve billion, two million, one hundred twenty thousand, two hundred thirteen".