11020100213 has 4 divisors (see below), whose sum is σ = 11668341420. Its totient is φ = 10371859008.

The previous prime is 11020100183. The next prime is 11020100227. The reversal of 11020100213 is 31200102011.

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 4670082244 + 6350017969 = 68338^2 + 79687^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020100213 - 2⁸ = 11020099957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020100194 and 11020100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020100713) 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, 324120578 + ... + 324120611.

It is an arithmetic number, because the mean of its divisors is an integer number (2917085355).

Almost surely, 2^11020100213 is an apocalyptic number.

It is an amenable number.

11020100213 is a deficient number, since it is larger than the sum of its proper divisors (648241207).

11020100213 is an equidigital number, since it uses as much as digits as its factorization.

11020100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648241206.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11020100213 its reverse (31200102011), we get a palindrome (42220202224).

The spelling of 11020100213 in words is "eleven billion, twenty million, one hundred thousand, two hundred thirteen".