11201112121102 has 16 divisors (see below), whose sum is σ = 17136643882320. Its totient is φ = 5489119260352.

The previous prime is 11201112121097. The next prime is 11201112121103. The reversal of 11201112121102 is 20112121110211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201112121103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55340152 + ... + 55542187.

It is an arithmetic number, because the mean of its divisors is an integer number (1071040242645).

Almost surely, 2^{11201112121102} is an apocalyptic number.

11201112121102 is a deficient number, since it is larger than the sum of its proper divisors (5935531761218).

11201112121102 is a wasteful number, since it uses less digits than its factorization.

11201112121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110883347.

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

Adding to 11201112121102 its reverse (20112121110211), we get a palindrome (31313233231313).

The spelling of 11201112121102 in words is "eleven trillion, two hundred one billion, one hundred twelve million, one hundred twenty-one thousand, one hundred two".