11102121021010 has 16 divisors (see below), whose sum is σ = 19983878371800. Its totient is φ = 4440834956416.

The previous prime is 11102121020989. The next prime is 11102121021071. The reversal of 11102121021010 is 1012012120111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7887239746929 + 3214881274081 = 2808423^2 + 1793009^2 .

It is a super-2 number, since 2×11102121021010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2214726 + ... + 5206654.

Almost surely, 2^{11102121021010} is an apocalyptic number.

11102121021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11102121021010 is a deficient number, since it is larger than the sum of its proper divisors (8881757350790).

11102121021010 is a wasteful number, since it uses less digits than its factorization.

11102121021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363005.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11102121021010 its reverse (1012012120111), we get a palindrome (12114133141121).

The spelling of 11102121021010 in words is "eleven trillion, one hundred two billion, one hundred twenty-one million, twenty-one thousand, ten".