11021001011211 has 16 divisors (see below), whose sum is σ = 14714612180000. Its totient is φ = 7337367721728.

The previous prime is 11021001011149. The next prime is 11021001011213. The reversal of 11021001011211 is 11211010012011.

It is not a de Polignac number, because 11021001011211 - 2²⁶ = 11020933902347 is a prime.

It is a super-2 number, since 2×11021001011211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021001011213) 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, 6900165 + ... + 8345913.

It is an arithmetic number, because the mean of its divisors is an integer number (919663261250).

Almost surely, 2^{11021001011211} is an apocalyptic number.

11021001011211 is a deficient number, since it is larger than the sum of its proper divisors (3693611168789).

11021001011211 is a wasteful number, since it uses less digits than its factorization.

11021001011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449198.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11021001011211 its reverse (11211010012011), we get a palindrome (22232011023222).

The spelling of 11021001011211 in words is "eleven trillion, twenty-one billion, one million, eleven thousand, two hundred eleven".