11011001020211 has 16 divisors (see below), whose sum is σ = 11103910126848. Its totient is φ = 10918588980000.

The previous prime is 11011001020169. The next prime is 11011001020219. The reversal of 11011001020211 is 11202010011011.

It is a cyclic number.

It is not a de Polignac number, because 11011001020211 - 2³⁰ = 11009927278387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011001020192 and 11011001020201.

It is not an unprimeable number, because it can be changed into a prime (11011001020219) 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, 51152570 + ... + 51367376.

It is an arithmetic number, because the mean of its divisors is an integer number (693994382928).

Almost surely, 2^{11011001020211} is an apocalyptic number.

11011001020211 is a deficient number, since it is larger than the sum of its proper divisors (92909106637).

11011001020211 is a wasteful number, since it uses less digits than its factorization.

11011001020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215962.

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

Adding to 11011001020211 its reverse (11202010011011), we get a palindrome (22213011031222).

The spelling of 11011001020211 in words is "eleven trillion, eleven billion, one million, twenty thousand, two hundred eleven".