11201002021111 has 16 divisors (see below), whose sum is σ = 12858428588544. Its totient is φ = 9557945231904.

The previous prime is 11201002021043. The next prime is 11201002021151. The reversal of 11201002021111 is 11112020010211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11201002021111 - 2¹³ = 11201002012919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11201002021091 and 11201002021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201002021151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711040 + ... + 4786186.

It is an arithmetic number, because the mean of its divisors is an integer number (803651786784).

Almost surely, 2^{11201002021111} is an apocalyptic number.

11201002021111 is a deficient number, since it is larger than the sum of its proper divisors (1657426567433).

11201002021111 is a wasteful number, since it uses less digits than its factorization.

11201002021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076910.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11201002021111 its reverse (11112020010211), we get a palindrome (22313022031322).

The spelling of 11201002021111 in words is "eleven trillion, two hundred one billion, two million, twenty-one thousand, one hundred eleven".