11111022112201 has 16 divisors (see below), whose sum is σ = 12157223344128. Its totient is φ = 10070869747600.

The previous prime is 11111022112199. The next prime is 11111022112213. The reversal of 11111022112201 is 10221122011111.

It is a cyclic number.

It is not a de Polignac number, because 11111022112201 - 2¹ = 11111022112199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111022112231) 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 15 ways as a sum of consecutive naturals, for example, 6451140 + ... + 7989946.

It is an arithmetic number, because the mean of its divisors is an integer number (759826459008).

Almost surely, 2^{11111022112201} is an apocalyptic number.

11111022112201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11111022112201 is a deficient number, since it is larger than the sum of its proper divisors (1046201231927).

11111022112201 is a wasteful number, since it uses less digits than its factorization.

11111022112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540772.

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

Adding to 11111022112201 its reverse (10221122011111), we get a palindrome (21332144123312).

It can be divided in two parts, 1111 and 1022112201, that multiplied together give a palindrome (1135566655311).

The spelling of 11111022112201 in words is "eleven trillion, one hundred eleven billion, twenty-two million, one hundred twelve thousand, two hundred one".