11201111221002 has 8 divisors (see below), whose sum is σ = 22402222442016. Its totient is φ = 3733703740332.

The previous prime is 11201111220919. The next prime is 11201111221009. The reversal of 11201111221002 is 20012211110211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

11201111221002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11201111221009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933425935078 + ... + 933425935089.

It is an arithmetic number, because the mean of its divisors is an integer number (2800277805252).

Almost surely, 2^{11201111221002} is an apocalyptic number.

11201111221002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11201111221002 is a wasteful number, since it uses less digits than its factorization.

11201111221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866851870172.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11201111221002 its reverse (20012211110211), we get a palindrome (31213322331213).

The spelling of 11201111221002 in words is "eleven trillion, two hundred one billion, one hundred eleven million, two hundred twenty-one thousand, two".