111101110100010 has 40 divisors (see below), whose sum is σ = 298738540493316. Its totient is φ = 29626962693120.

The previous prime is 111101110100009. The next prime is 111101110100119. The reversal of 111101110100010 is 10001011101111.

It can be written as a sum of positive squares in 2 ways, for example, as 106828906341249 + 4272203758761 = 10335807^2 + 2066931^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111101110099965 and 111101110100001.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68580931351 + ... + 68580932970.

Almost surely, 2^{111101110100010} is an apocalyptic number.

111101110100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111101110100010 is an abundant number, since it is smaller than the sum of its proper divisors (187637430393306).

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

111101110100010 is a wasteful number, since it uses less digits than its factorization.

111101110100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137161864340 (or 137161864331 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 111101110100010 its reverse (10001011101111), we get a palindrome (121102121201121).

The spelling of 111101110100010 in words is "one hundred eleven trillion, one hundred one billion, one hundred ten million, one hundred thousand, ten".