11220011001012 has 48 divisors (see below), whose sum is σ = 28568945728512. Its totient is φ = 3398941699680.

The previous prime is 11220011000999. The next prime is 11220011001037. The reversal of 11220011001012 is 21010011002211.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12846028 + ... + 13691619.

It is an arithmetic number, because the mean of its divisors is an integer number (595186369344).

Almost surely, 2^{11220011001012} is an apocalyptic number.

11220011001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220011001012 is an abundant number, since it is smaller than the sum of its proper divisors (17348934727500).

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

11220011001012 is a wasteful number, since it uses less digits than its factorization.

11220011001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26540868 (or 26540866 counting only the distinct ones).

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

Adding to 11220011001012 its reverse (21010011002211), we get a palindrome (32230022003223).

The spelling of 11220011001012 in words is "eleven trillion, two hundred twenty billion, eleven million, one thousand, twelve".