11011021212010 has 16 divisors (see below), whose sum is σ = 19821764680200. Its totient is φ = 4403980374016.

The previous prime is 11011021212001. The next prime is 11011021212017. The reversal of 11011021212010 is 1021212011011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11008321058641 + 2700153369 = 3317879^2 + 51963^2 .

It is not an unprimeable number, because it can be changed into a prime (11011021212017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53405815 + ... + 53611594.

Almost surely, 2^{11011021212010} is an apocalyptic number.

11011021212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011021212010 is a deficient number, since it is larger than the sum of its proper divisors (8810743468190).

11011021212010 is a wasteful number, since it uses less digits than its factorization.

11011021212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107027705.

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

Adding to 11011021212010 its reverse (1021212011011), we get a palindrome (12032233223021).

The spelling of 11011021212010 in words is "eleven trillion, eleven billion, twenty-one million, two hundred twelve thousand, ten".