11112212211001 has 16 divisors (see below), whose sum is σ = 12176699394816. Its totient is φ = 10056800160000.

The previous prime is 11112212210993. The next prime is 11112212211017. The reversal of 11112212211001 is 10011221221111.

It is not a de Polignac number, because 11112212211001 - 2³ = 11112212210993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112212211031) 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, 7430016 + ... + 8799406.

It is an arithmetic number, because the mean of its divisors is an integer number (761043712176).

Almost surely, 2^{11112212211001} is an apocalyptic number.

11112212211001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11112212211001 is a deficient number, since it is larger than the sum of its proper divisors (1064487183815).

11112212211001 is a wasteful number, since it uses less digits than its factorization.

11112212211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372704.

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

Adding to 11112212211001 its reverse (10011221221111), we get a palindrome (21123433432112).

The spelling of 11112212211001 in words is "eleven trillion, one hundred twelve billion, two hundred twelve million, two hundred eleven thousand, one".