11021002111111 has 8 divisors (see below), whose sum is σ = 11326984251264. Its totient is φ = 10717278142200.

The previous prime is 11021002111081. The next prime is 11021002111117. The reversal of 11021002111111 is 11111120012011.

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 11021002111111 - 2¹⁵ = 11021002078343 is a prime.

It is a super-2 number, since 2×11021002111111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021002111091 and 11021002111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021002111117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564532915 + ... + 564552436.

It is an arithmetic number, because the mean of its divisors is an integer number (1415873031408).

Almost surely, 2^{11021002111111} is an apocalyptic number.

11021002111111 is a deficient number, since it is larger than the sum of its proper divisors (305982140153).

11021002111111 is a wasteful number, since it uses less digits than its factorization.

11021002111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129085621.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11021002111111 its reverse (11111120012011), we get a palindrome (22132122123122).

The spelling of 11021002111111 in words is "eleven trillion, twenty-one billion, two million, one hundred eleven thousand, one hundred eleven".