11010121211 has 8 divisors (see below), whose sum is σ = 11038835520. Its totient is φ = 10981437192.

The previous prime is 11010121163. The next prime is 11010121249. The reversal of 11010121211 is 11212101011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11010121211 - 2¹⁸ = 11009859067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010121192 and 11010121201.

It is not an unprimeable number, because it can be changed into a prime (11010121711) 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, 840236 + ... + 853238.

It is an arithmetic number, because the mean of its divisors is an integer number (1379854440).

Almost surely, 2^11010121211 is an apocalyptic number.

11010121211 is a deficient number, since it is larger than the sum of its proper divisors (28714309).

11010121211 is a wasteful number, since it uses less digits than its factorization.

11010121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15145.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11010121211 its reverse (11212101011), we get a palindrome (22222222222).

The spelling of 11010121211 in words is "eleven billion, ten million, one hundred twenty-one thousand, two hundred eleven".