11021202022111 has 4 divisors (see below), whose sum is σ = 11021231728224. Its totient is φ = 11021172316000.

The previous prime is 11021202022109. The next prime is 11021202022139. The reversal of 11021202022111 is 11122020212011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11021202022111 - 2¹ = 11021202022109 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 (11021202022811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14289415 + ... + 15040936.

It is an arithmetic number, because the mean of its divisors is an integer number (2755307932056).

Almost surely, 2^{11021202022111} is an apocalyptic number.

11021202022111 is a deficient number, since it is larger than the sum of its proper divisors (29706113).

11021202022111 is an equidigital number, since it uses as much as digits as its factorization.

11021202022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29706112.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11021202022111 its reverse (11122020212011), we get a palindrome (22143222234122).

The spelling of 11021202022111 in words is "eleven trillion, twenty-one billion, two hundred two million, twenty-two thousand, one hundred eleven".