11001111121210 has 32 divisors (see below), whose sum is σ = 22641795527040. Its totient is φ = 3769986466752.

The previous prime is 11001111121201. The next prime is 11001111121213. The reversal of 11001111121210 is 1212111110011.

It is not an unprimeable number, because it can be changed into a prime (11001111121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37834564 + ... + 38124223.

It is an arithmetic number, because the mean of its divisors is an integer number (707556110220).

Almost surely, 2^{11001111121210} is an apocalyptic number.

11001111121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11001111121210 is an abundant number, since it is smaller than the sum of its proper divisors (11640684405830).

11001111121210 is a wasteful number, since it uses less digits than its factorization.

11001111121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75960870.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11001111121210 its reverse (1212111110011), we get a palindrome (12213222231221).

The spelling of 11001111121210 in words is "eleven trillion, one billion, one hundred eleven million, one hundred twenty-one thousand, two hundred ten".