111111111102010 has 8 divisors (see below), whose sum is σ = 199999999983636. Its totient is φ = 44444444440800.

The previous prime is 111111111102007. The next prime is 111111111102029. The reversal of 111111111102010 is 10201111111111.

It can be written as a sum of positive squares in 2 ways, for example, as 105771577889961 + 5339533212049 = 10284531^2 + 2310743^2 .

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

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, 5555555555091 + ... + 5555555555110.

Almost surely, 2^{111111111102010} is an apocalyptic number.

111111111102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111111111102010 is a deficient number, since it is larger than the sum of its proper divisors (88888888881626).

111111111102010 is a wasteful number, since it uses less digits than its factorization.

111111111102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111111110208.

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 111111111102010 its reverse (10201111111111), we get a palindrome (121312222213121).

The spelling of 111111111102010 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred eleven million, one hundred two thousand, ten".