111102210012102 has 16 divisors (see below), whose sum is σ = 222630916038192. Its totient is φ = 36962987335040.

The previous prime is 111102210012091. The next prime is 111102210012127. The reversal of 111102210012102 is 201210012201111.

It is a happy number.

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, 17770663863 + ... + 17770670114.

It is an arithmetic number, because the mean of its divisors is an integer number (13914432252387).

Almost surely, 2^{111102210012102} is an apocalyptic number.

111102210012102 is an abundant number, since it is smaller than the sum of its proper divisors (111528706026090).

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

111102210012102 is a wasteful number, since it uses less digits than its factorization.

111102210012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35541334503.

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

Adding to 111102210012102 its reverse (201210012201111), we get a palindrome (312312222213213).

The spelling of 111102210012102 in words is "one hundred eleven trillion, one hundred two billion, two hundred ten million, twelve thousand, one hundred two".