11210002121111 has 4 divisors (see below), whose sum is σ = 11320992241224. Its totient is φ = 11099012001000.

The previous prime is 11210002121089. The next prime is 11210002121159. The reversal of 11210002121111 is 11112120001211.

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 11210002121111 - 2¹⁰ = 11210002120087 is a prime.

It is a super-2 number, since 2×11210002121111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210002120111) 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 3 ways as a sum of consecutive naturals, for example, 55495059905 + ... + 55495060106.

It is an arithmetic number, because the mean of its divisors is an integer number (2830248060306).

Almost surely, 2^{11210002121111} is an apocalyptic number.

11210002121111 is a deficient number, since it is larger than the sum of its proper divisors (110990120113).

11210002121111 is a wasteful number, since it uses less digits than its factorization.

11210002121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110990120112.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11210002121111 its reverse (11112120001211), we get a palindrome (22322122122322).

The spelling of 11210002121111 in words is "eleven trillion, two hundred ten billion, two million, one hundred twenty-one thousand, one hundred eleven".