11020120211213 has 4 divisors (see below), whose sum is σ = 11159615403840. Its totient is φ = 10880625018588.

The previous prime is 11020120211207. The next prime is 11020120211339. The reversal of 11020120211213 is 31211202102011.

It is a happy number.

11020120211213 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11020120211213 - 2⁴ = 11020120211197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020120211191 and 11020120211200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020120211413) 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, 69747596195 + ... + 69747596352.

It is an arithmetic number, because the mean of its divisors is an integer number (2789903850960).

Almost surely, 2^{11020120211213} is an apocalyptic number.

It is an amenable number.

11020120211213 is a deficient number, since it is larger than the sum of its proper divisors (139495192627).

11020120211213 is an equidigital number, since it uses as much as digits as its factorization.

11020120211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139495192626.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11020120211213 its reverse (31211202102011), we get a palindrome (42231322313224).

The spelling of 11020120211213 in words is "eleven trillion, twenty billion, one hundred twenty million, two hundred eleven thousand, two hundred thirteen".