11021200011012 has 24 divisors (see below), whose sum is σ = 25722388918912. Its totient is φ = 3672839685600.

The previous prime is 11021200011011. The next prime is 11021200011067. The reversal of 11021200011012 is 21011000212011.

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 (11021200011011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111655039 + ... + 111753702.

Almost surely, 2^{11021200011012} is an apocalyptic number.

11021200011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11021200011012 is an abundant number, since it is smaller than the sum of its proper divisors (14701188907900).

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

11021200011012 is a wasteful number, since it uses less digits than its factorization.

11021200011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223412859 (or 223412857 counting only the distinct ones).

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

Adding to 11021200011012 its reverse (21011000212011), we get a palindrome (32032200223023).

The spelling of 11021200011012 in words is "eleven trillion, twenty-one billion, two hundred million, eleven thousand, twelve".