11101111121204 has 24 divisors (see below), whose sum is σ = 21026457110400. Its totient is φ = 5097843061344.

The previous prime is 11101111121161. The next prime is 11101111121341. The reversal of 11101111121204 is 40212111110111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536378864 + ... + 536399559.

It is an arithmetic number, because the mean of its divisors is an integer number (876102379600).

Almost surely, 2^{11101111121204} is an apocalyptic number.

It is an amenable number.

11101111121204 is a deficient number, since it is larger than the sum of its proper divisors (9925345989196).

11101111121204 is a wasteful number, since it uses less digits than its factorization.

11101111121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072778639 (or 1072778637 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11101111121204 its reverse (40212111110111), we get a palindrome (51313222231315).

The spelling of 11101111121204 in words is "eleven trillion, one hundred one billion, one hundred eleven million, one hundred twenty-one thousand, two hundred four".