11112212212001 has 8 divisors (see below), whose sum is σ = 11185916831808. Its totient is φ = 11038509090000.

The previous prime is 11112212211979. The next prime is 11112212212009. The reversal of 11112212212001 is 10021221221111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11112212212001 - 2³⁰ = 11111138470177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112212212009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17255831 + ... + 17888211.

It is an arithmetic number, because the mean of its divisors is an integer number (1398239603976).

Almost surely, 2^{11112212212001} is an apocalyptic number.

It is an amenable number.

11112212212001 is a deficient number, since it is larger than the sum of its proper divisors (73704619807).

11112212212001 is a wasteful number, since it uses less digits than its factorization.

11112212212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748903.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11112212212001 its reverse (10021221221111), we get a palindrome (21133433433112).

The spelling of 11112212212001 in words is "eleven trillion, one hundred twelve billion, two hundred twelve million, two hundred twelve thousand, one".