11211200120010 has 64 divisors (see below), whose sum is σ = 29367690065280. Its totient is φ = 2716502830080.

The previous prime is 11211200119997. The next prime is 11211200120011. The reversal of 11211200120010 is 1002100211211.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11211200120011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7865475 + ... + 9180854.

It is an arithmetic number, because the mean of its divisors is an integer number (458870157270).

Almost surely, 2^{11211200120010} is an apocalyptic number.

11211200120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211200120010 is an abundant number, since it is smaller than the sum of its proper divisors (18156489945270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211200120010 is a wasteful number, since it uses less digits than its factorization.

11211200120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17048343.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11211200120010 its reverse (1002100211211), we get a palindrome (12213300331221).

The spelling of 11211200120010 in words is "eleven trillion, two hundred eleven billion, two hundred million, one hundred twenty thousand, ten".