11021200213 has 2 divisors, whose sum is σ = 11021200214. Its totient is φ = 11021200212.

The previous prime is 11021200171. The next prime is 11021200219. The reversal of 11021200213 is 31200212011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10460789284 + 560410929 = 102278^2 + 23673^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021200213 - 2¹⁷ = 11021069141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11021200193 and 11021200202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021200219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510600106 + 5510600107.

It is an arithmetic number, because the mean of its divisors is an integer number (5510600107).

Almost surely, 2^11021200213 is an apocalyptic number.

It is an amenable number.

11021200213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021200213 is an equidigital number, since it uses as much as digits as its factorization.

11021200213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11021200213 its reverse (31200212011), we get a palindrome (42221412224).

The spelling of 11021200213 in words is "eleven billion, twenty-one million, two hundred thousand, two hundred thirteen".