11010212121001 has 16 divisors (see below), whose sum is σ = 11159402462208. Its totient is φ = 10862050492800.

The previous prime is 11010212120893. The next prime is 11010212121011. The reversal of 11010212121001 is 10012121201011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11010212121001 - 2²¹ = 11010210023849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11010212121011) 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, 69939960 + ... + 70097206.

It is an arithmetic number, because the mean of its divisors is an integer number (697462653888).

Almost surely, 2^{11010212121001} is an apocalyptic number.

It is an amenable number.

11010212121001 is a deficient number, since it is larger than the sum of its proper divisors (149190341207).

11010212121001 is a wasteful number, since it uses less digits than its factorization.

11010212121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160512.

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

Adding to 11010212121001 its reverse (10012121201011), we get a palindrome (21022333322012).

The spelling of 11010212121001 in words is "eleven trillion, ten billion, two hundred twelve million, one hundred twenty-one thousand, one".