11020131301211 has 4 divisors (see below), whose sum is σ = 11023006371912. Its totient is φ = 11017256230512.

The previous prime is 11020131301141. The next prime is 11020131301217. The reversal of 11020131301211 is 11210313102011.

11020131301211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11020131301211 - 2²² = 11020127106907 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 11020131301211.

It is not an unprimeable number, because it can be changed into a prime (11020131301217) 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, 1437529601 + ... + 1437537266.

It is an arithmetic number, because the mean of its divisors is an integer number (2755751592978).

Almost surely, 2^{11020131301211} is an apocalyptic number.

11020131301211 is a deficient number, since it is larger than the sum of its proper divisors (2875070701).

11020131301211 is an equidigital number, since it uses as much as digits as its factorization.

11020131301211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875070700.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11020131301211 its reverse (11210313102011), we get a palindrome (22230444403222).

The spelling of 11020131301211 in words is "eleven trillion, twenty billion, one hundred thirty-one million, three hundred one thousand, two hundred eleven".