11020203203111 has 8 divisors (see below), whose sum is σ = 11033594708544. Its totient is φ = 11006814538720.

The previous prime is 11020203203101. The next prime is 11020203203129. The reversal of 11020203203111 is 11130230202011.

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 11020203203111 - 2¹⁰ = 11020203202087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11020203203111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020203203101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7104485 + ... + 8515521.

It is an arithmetic number, because the mean of its divisors is an integer number (1379199338568).

Almost surely, 2^{11020203203111} is an apocalyptic number.

11020203203111 is a deficient number, since it is larger than the sum of its proper divisors (13391505433).

11020203203111 is an equidigital number, since it uses as much as digits as its factorization.

11020203203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420521.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11020203203111 its reverse (11130230202011), we get a palindrome (22150433405122).

The spelling of 11020203203111 in words is "eleven trillion, twenty billion, two hundred three million, two hundred three thousand, one hundred eleven".