11202020311 has 8 divisors (see below), whose sum is σ = 11428752384. Its totient is φ = 10977039480.

The previous prime is 11202020293. The next prime is 11202020317. The reversal of 11202020311 is 11302020211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11202020311 - 2¹³ = 11202012119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202020291 and 11202020300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202020317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424885 + ... + 450478.

It is an arithmetic number, because the mean of its divisors is an integer number (1428594048).

Almost surely, 2^11202020311 is an apocalyptic number.

11202020311 is a deficient number, since it is larger than the sum of its proper divisors (226732073).

11202020311 is an equidigital number, since it uses as much as digits as its factorization.

11202020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875621.

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

Adding to 11202020311 its reverse (11302020211), we get a palindrome (22504040522).

The spelling of 11202020311 in words is "eleven billion, two hundred two million, twenty thousand, three hundred eleven".