11111100221010 has 32 divisors (see below), whose sum is σ = 27042227021952. Its totient is φ = 2921228226560.

The previous prime is 11111100220991. The next prime is 11111100221017. The reversal of 11111100221010 is 1012200111111.

It is not an unprimeable number, because it can be changed into a prime (11111100221017) 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, 2608237359 + ... + 2608241618.

It is an arithmetic number, because the mean of its divisors is an integer number (845069594436).

Almost surely, 2^{11111100221010} is an apocalyptic number.

11111100221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111100221010 is an abundant number, since it is smaller than the sum of its proper divisors (15931126800942).

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

11111100221010 is a wasteful number, since it uses less digits than its factorization.

11111100221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216479058.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11111100221010 its reverse (1012200111111), we get a palindrome (12123300332121).

The spelling of 11111100221010 in words is "eleven trillion, one hundred eleven billion, one hundred million, two hundred twenty-one thousand, ten".