11111002210005 has 64 divisors (see below), whose sum is σ = 18105538560000. Its totient is φ = 5817501181440.

The previous prime is 11111002210003. The next prime is 11111002210031. The reversal of 11111002210005 is 50001220011111.

It is not a de Polignac number, because 11111002210005 - 2¹ = 11111002210003 is a prime.

It is a super-2 number, since 2×11111002210005² (a number of 27 digits) contains 22 as substring.

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 (11111002210003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 160211697 + ... + 160281033.

It is an arithmetic number, because the mean of its divisors is an integer number (282899040000).

Almost surely, 2^{11111002210005} is an apocalyptic number.

11111002210005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11111002210005 is a deficient number, since it is larger than the sum of its proper divisors (6994536349995).

11111002210005 is a wasteful number, since it uses less digits than its factorization.

11111002210005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70194.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 11111002210005 its reverse (50001220011111), we get a palindrome (61112222221116).

The spelling of 11111002210005 in words is "eleven trillion, one hundred eleven billion, two million, two hundred ten thousand, five".