11122201005 has 16 divisors (see below), whose sum is σ = 17801818944. Its totient is φ = 5929741440.

The previous prime is 11122201003. The next prime is 11122201007. The reversal of 11122201005 is 50010222111.

It is an interprime number because it is at equal distance from previous prime (11122201003) and next prime (11122201007).

It is not a de Polignac number, because 11122201005 - 2¹ = 11122201003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122201003) 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, 86911 + ... + 172620.

It is an arithmetic number, because the mean of its divisors is an integer number (1112613684).

Almost surely, 2^11122201005 is an apocalyptic number.

11122201005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11122201005 is a deficient number, since it is larger than the sum of its proper divisors (6679617939).

11122201005 is a wasteful number, since it uses less digits than its factorization.

11122201005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262396.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 11122201005 its reverse (50010222111), we get a palindrome (61132423116).

It can be divided in two parts, 111 and 22201005, that added together give a triangular number (22201116 = T₆₆₆₃).

The spelling of 11122201005 in words is "eleven billion, one hundred twenty-two million, two hundred one thousand, five".