111120012010102 has 4 divisors (see below), whose sum is σ = 166680018015156. Its totient is φ = 55560006005050.

The previous prime is 111120012010097. The next prime is 111120012010127. The reversal of 111120012010102 is 201010210021111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780003002524 + ... + 27780003002527.

It is an arithmetic number, because the mean of its divisors is an integer number (41670004503789).

Almost surely, 2^{111120012010102} is an apocalyptic number.

111120012010102 is a deficient number, since it is larger than the sum of its proper divisors (55560006005054).

111120012010102 is an equidigital number, since it uses as much as digits as its factorization.

111120012010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55560006005053.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111120012010102 its reverse (201010210021111), we get a palindrome (312130222031213).

The spelling of 111120012010102 in words is "one hundred eleven trillion, one hundred twenty billion, twelve million, ten thousand, one hundred two".