11020120212211 has 64 divisors (see below), whose sum is σ = 12810004070400. Its totient is φ = 9387019440000.

The previous prime is 11020120212203. The next prime is 11020120212301. The reversal of 11020120212211 is 11221202102011.

It is a cyclic number.

It is not a de Polignac number, because 11020120212211 - 2³ = 11020120212203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020120212911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2750215170 + ... + 2750219176.

It is an arithmetic number, because the mean of its divisors is an integer number (200156313600).

Almost surely, 2^{11020120212211} is an apocalyptic number.

11020120212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11020120212211 is a deficient number, since it is larger than the sum of its proper divisors (1789883858189).

11020120212211 is a wasteful number, since it uses less digits than its factorization.

11020120212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11020120212211 its reverse (11221202102011), we get a palindrome (22241322314222).

The spelling of 11020120212211 in words is "eleven trillion, twenty billion, one hundred twenty million, two hundred twelve thousand, two hundred eleven".