11100111212102 has 32 divisors (see below), whose sum is σ = 18420370790400. Its totient is φ = 4974298585920.

The previous prime is 11100111212063. The next prime is 11100111212143. The reversal of 11100111212102 is 20121211100111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2376899 + ... + 5277297.

It is an arithmetic number, because the mean of its divisors is an integer number (575636587200).

Almost surely, 2^{11100111212102} is an apocalyptic number.

11100111212102 is a deficient number, since it is larger than the sum of its proper divisors (7320259578298).

11100111212102 is a wasteful number, since it uses less digits than its factorization.

11100111212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902868.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11100111212102 its reverse (20121211100111), we get a palindrome (31221322312213).

The spelling of 11100111212102 in words is "eleven trillion, one hundred billion, one hundred eleven million, two hundred twelve thousand, one hundred two".