1111111011010 has 64 divisors (see below), whose sum is σ = 2685314467584. Its totient is φ = 319680288000.

The previous prime is 1111111010969. The next prime is 1111111011079. The reversal of 1111111011010 is 101101111111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55490041 + ... + 55510060.

It is an arithmetic number, because the mean of its divisors is an integer number (41958038556).

Almost surely, 2^{1111111011010} is an apocalyptic number.

1111111011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111111011010 is an abundant number, since it is smaller than the sum of its proper divisors (1574203456574).

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

1111111011010 is a wasteful number, since it uses less digits than its factorization.

1111111011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111000139.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 1111111011010 its reverse (101101111111), we get a palindrome (1212212122121).

The spelling of 1111111011010 in words is "one trillion, one hundred eleven billion, one hundred eleven million, eleven thousand, ten".