111111010102 has 8 divisors (see below), whose sum is σ = 167629905936. Its totient is φ = 55234374792.

The previous prime is 111111010093. The next prime is 111111010103. The reversal of 111111010102 is 201010111111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111010103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160564698 + ... + 160565389.

It is an arithmetic number, because the mean of its divisors is an integer number (20953738242).

Almost surely, 2^111111010102 is an apocalyptic number.

111111010102 is a deficient number, since it is larger than the sum of its proper divisors (56518895834).

111111010102 is a wasteful number, since it uses less digits than its factorization.

111111010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321130262.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111111010102 its reverse (201010111111), we get a palindrome (312121121213).

The spelling of 111111010102 in words is "one hundred eleven billion, one hundred eleven million, ten thousand, one hundred two".