11201102212212 has 144 divisors (see below), whose sum is σ = 31726097282880. Its totient is φ = 3302606476800.

The previous prime is 11201102212187. The next prime is 11201102212241. The reversal of 11201102212212 is 21221220110211.

11201102212212 is a `hidden beast` number, since 1 + 120 + 110 + 221 + 2 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5131239 + ... + 6980817.

It is an arithmetic number, because the mean of its divisors is an integer number (220320120020).

Almost surely, 2^{11201102212212} is an apocalyptic number.

11201102212212 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 11201102212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15863048641440).

11201102212212 is an abundant number, since it is smaller than the sum of its proper divisors (20524995070668).

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

11201102212212 is a wasteful number, since it uses less digits than its factorization.

11201102212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850014 (or 1850009 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11201102212212 its reverse (21221220110211), we get a palindrome (32422322322423).

The spelling of 11201102212212 in words is "eleven trillion, two hundred one billion, one hundred two million, two hundred twelve thousand, two hundred twelve".