11012111220000 has 240 divisors, whose sum is σ = 39405741151392. Its totient is φ = 2669602560000.

The previous prime is 11012111219971. The next prime is 11012111220001. The reversal of 11012111220000 is 2211121011.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11012111220001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7682509 + ... + 9002508.

Almost surely, 2^{11012111220000} is an apocalyptic number.

11012111220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012111220000 is an abundant number, since it is smaller than the sum of its proper divisors (28393629931392).

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

11012111220000 is a wasteful number, since it uses less digits than its factorization.

11012111220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16685061 (or 16685038 counting only the distinct ones).

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

Adding to 11012111220000 its reverse (2211121011), we get a palindrome (11014322341011).

The spelling of 11012111220000 in words is "eleven trillion, twelve billion, one hundred eleven million, two hundred twenty thousand".