11101111101010 has 128 divisors (see below), whose sum is σ = 23137341603840. Its totient is φ = 3756312403200.

The previous prime is 11101111100971. The next prime is 11101111101037. The reversal of 11101111101010 is 1010111110111.

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

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3686850405 + ... + 3686853415.

It is an arithmetic number, because the mean of its divisors is an integer number (180760481280).

Almost surely, 2^{11101111101010} is an apocalyptic number.

11101111101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101111101010 is an abundant number, since it is smaller than the sum of its proper divisors (12036230502830).

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

11101111101010 is a wasteful number, since it uses less digits than its factorization.

11101111101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5192.

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

Adding to 11101111101010 its reverse (1010111110111), we get a palindrome (12111222211121).

The spelling of 11101111101010 in words is "eleven trillion, one hundred one billion, one hundred eleven million, one hundred one thousand, ten".