11111220410 has 8 divisors (see below), whose sum is σ = 20000196756. Its totient is φ = 4444488160.

The previous prime is 11111220389. The next prime is 11111220433. The reversal of 11111220410 is 1402211111.

11111220410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10994990449 + 116229961 = 104857^2 + 10781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 555561011 + ... + 555561030.

Almost surely, 2^11111220410 is an apocalyptic number.

11111220410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111220410 is a deficient number, since it is larger than the sum of its proper divisors (8888976346).

11111220410 is a wasteful number, since it uses less digits than its factorization.

11111220410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111122048.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11111220410 its reverse (1402211111), we get a palindrome (12513431521).

The spelling of 11111220410 in words is "eleven billion, one hundred eleven million, two hundred twenty thousand, four hundred ten".