20111102112102 has 8 divisors (see below), whose sum is σ = 40222204224216. Its totient is φ = 6703700704032.

The previous prime is 20111102112053. The next prime is 20111102112163. The reversal of 20111102112102 is 20121120111102.

It is a happy number.

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

20111102112102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675925176003 + ... + 1675925176014.

It is an arithmetic number, because the mean of its divisors is an integer number (5027775528027).

Almost surely, 2^{20111102112102} is an apocalyptic number.

20111102112102 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.

20111102112102 is a wasteful number, since it uses less digits than its factorization.

20111102112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351850352022.

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

Adding to 20111102112102 its reverse (20121120111102), we get a palindrome (40232222223204).

The spelling of 20111102112102 in words is "twenty trillion, one hundred eleven billion, one hundred two million, one hundred twelve thousand, one hundred two".