11020120120211 has 4 divisors (see below), whose sum is σ = 11087728219272. Its totient is φ = 10952512021152.

The previous prime is 11020120120201. The next prime is 11020120120231. The reversal of 11020120120211 is 11202102102011.

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 11020120120211 - 2¹⁴ = 11020120103827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020120120201) 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, 33804049286 + ... + 33804049611.

It is an arithmetic number, because the mean of its divisors is an integer number (2771932054818).

Almost surely, 2^{11020120120211} is an apocalyptic number.

11020120120211 is a deficient number, since it is larger than the sum of its proper divisors (67608099061).

11020120120211 is an equidigital number, since it uses as much as digits as its factorization.

11020120120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67608099060.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11020120120211 its reverse (11202102102011), we get a palindrome (22222222222222).

The spelling of 11020120120211 in words is "eleven trillion, twenty billion, one hundred twenty million, one hundred twenty thousand, two hundred eleven".