1110111100660 has 24 divisors (see below), whose sum is σ = 2468364683400. Its totient is φ = 417924178944.

The previous prime is 1110111100649. The next prime is 1110111100661. The reversal of 1110111100660 is 660011110111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 443164478436 + 666946622224 = 665706^2 + 816668^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110111100661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632515985 + ... + 1632516664.

It is an arithmetic number, because the mean of its divisors is an integer number (102848528475).

Almost surely, 2^{1110111100660} is an apocalyptic number.

1110111100660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110111100660 is an abundant number, since it is smaller than the sum of its proper divisors (1358253582740).

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

1110111100660 is a wasteful number, since it uses less digits than its factorization.

1110111100660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265032675 (or 3265032673 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 1110111100660 its reverse (660011110111), we get a palindrome (1770122210771).

The spelling of 1110111100660 in words is "one trillion, one hundred ten billion, one hundred eleven million, one hundred thousand, six hundred sixty".