1111010111010 has 48 divisors (see below), whose sum is σ = 2995612454016. Its totient is φ = 296269362288.

The previous prime is 1111010110937. The next prime is 1111010111039. The reversal of 1111010111010 is 101110101111.

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 = 1111010110983 and 1111010111001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228600474 + ... + 228605333.

It is an arithmetic number, because the mean of its divisors is an integer number (62408592792).

Almost surely, 2^{1111010111010} is an apocalyptic number.

1111010111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111010111010 is an abundant number, since it is smaller than the sum of its proper divisors (1884602343006).

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

1111010111010 is an equidigital number, since it uses as much as digits as its factorization.

1111010111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457205829 (or 457205817 counting only the distinct ones).

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

Adding to 1111010111010 its reverse (101110101111), we get a palindrome (1212120212121).

The spelling of 1111010111010 in words is "one trillion, one hundred eleven billion, ten million, one hundred eleven thousand, ten".