11001221101010 has 32 divisors (see below), whose sum is σ = 22651490315520. Its totient is φ = 3768446083392.

The previous prime is 11001221101007. The next prime is 11001221101021. The reversal of 11001221101010 is 1010112210011.

It is a junction number, because it is equal to n+sod(n) for n = 11001221100982 and 11001221101000.

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 15 ways as a sum of consecutive naturals, for example, 70779134 + ... + 70934393.

It is an arithmetic number, because the mean of its divisors is an integer number (707859072360).

Almost surely, 2^{11001221101010} is an apocalyptic number.

11001221101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11001221101010 is an abundant number, since it is smaller than the sum of its proper divisors (11650269214510).

11001221101010 is a wasteful number, since it uses less digits than its factorization.

11001221101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141714650.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11001221101010 its reverse (1010112210011), we get a palindrome (12011333311021).

The spelling of 11001221101010 in words is "eleven trillion, one billion, two hundred twenty-one million, one hundred one thousand, ten".