11202001021111 has 16 divisors (see below), whose sum is σ = 11697324807168. Its totient is φ = 10707369235200.

The previous prime is 11202001021093. The next prime is 11202001021121. The reversal of 11202001021111 is 11112010020211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11202001021111 - 2¹⁷ = 11202000890039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202001021091 and 11202001021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202001021121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314018806 + ... + 314054476.

It is an arithmetic number, because the mean of its divisors is an integer number (731082800448).

Almost surely, 2^{11202001021111} is an apocalyptic number.

11202001021111 is a deficient number, since it is larger than the sum of its proper divisors (495323786057).

11202001021111 is a wasteful number, since it uses less digits than its factorization.

11202001021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44982.

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

Adding to 11202001021111 its reverse (11112010020211), we get a palindrome (22314011041322).

The spelling of 11202001021111 in words is "eleven trillion, two hundred two billion, one million, twenty-one thousand, one hundred eleven".