11201001021012 has 96 divisors (see below), whose sum is σ = 28812182805504. Its totient is φ = 3386578646880.

The previous prime is 11201001020981. The next prime is 11201001021061. The reversal of 11201001021012 is 21012010010211.

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 (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6284073 + ... + 7867119.

It is an arithmetic number, because the mean of its divisors is an integer number (300126904224).

Almost surely, 2^{11201001021012} is an apocalyptic number.

11201001021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11201001021012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14406091402752).

11201001021012 is an abundant number, since it is smaller than the sum of its proper divisors (17611181784492).

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

11201001021012 is a wasteful number, since it uses less digits than its factorization.

11201001021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583530 (or 1583506 counting only the distinct ones).

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

Adding to 11201001021012 its reverse (21012010010211), we get a palindrome (32213011031223).

The spelling of 11201001021012 in words is "eleven trillion, two hundred one billion, one million, twenty-one thousand, twelve".