11010212121101 has 16 divisors (see below), whose sum is σ = 11610000743040. Its totient is φ = 10412456947200.

The previous prime is 11010212121059. The next prime is 11010212121149. The reversal of 11010212121101 is 10112121201011.

It is a cyclic number.

It is not a de Polignac number, because 11010212121101 - 2¹⁸ = 11010211858957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010212121191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154726136 + ... + 154797278.

It is an arithmetic number, because the mean of its divisors is an integer number (725625046440).

Almost surely, 2^{11010212121101} is an apocalyptic number.

It is an amenable number.

11010212121101 is a deficient number, since it is larger than the sum of its proper divisors (599788621939).

11010212121101 is a wasteful number, since it uses less digits than its factorization.

11010212121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85316.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11010212121101 its reverse (10112121201011), we get a palindrome (21122333322112).

The spelling of 11010212121101 in words is "eleven trillion, ten billion, two hundred twelve million, one hundred twenty-one thousand, one hundred one".