11011111111010 has 64 divisors (see below), whose sum is σ = 19983669801984. Its totient is φ = 4368241785600.

The previous prime is 11011111110997. The next prime is 11011111111067. The reversal of 11011111111010 is 1011111111011.

It is a junction number, because it is equal to n+sod(n) for n = 11011111110982 and 11011111111000.

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, 1178788940 + ... + 1178798280.

It is an arithmetic number, because the mean of its divisors is an integer number (312244840656).

Almost surely, 2^{11011111111010} is an apocalyptic number.

11011111111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011111111010 is a deficient number, since it is larger than the sum of its proper divisors (8972558690974).

11011111111010 is a wasteful number, since it uses less digits than its factorization.

11011111111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11499.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 11011111111010 its reverse (1011111111011), we get a palindrome (12022222222021).

Subtracting from 11011111111010 its reverse (1011111111011), we obtain a palindrome (9999999999999).

The spelling of 11011111111010 in words is "eleven trillion, eleven billion, one hundred eleven million, one hundred eleven thousand, ten".