11122011221001 has 8 divisors (see below), whose sum is σ = 14831409959520. Its totient is φ = 7413643314912.

The previous prime is 11122011220993. The next prime is 11122011221051. The reversal of 11122011221001 is 10012211022111.

It is a happy number.

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

It is not a de Polignac number, because 11122011221001 - 2³ = 11122011220993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11122011221051) 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, 257682931 + ... + 257726088.

It is an arithmetic number, because the mean of its divisors is an integer number (1853926244940).

Almost surely, 2^{11122011221001} is an apocalyptic number.

It is an amenable number.

11122011221001 is a deficient number, since it is larger than the sum of its proper divisors (3709398738519).

11122011221001 is an equidigital number, since it uses as much as digits as its factorization.

11122011221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515416215.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11122011221001 its reverse (10012211022111), we get a palindrome (21134222243112).

The spelling of 11122011221001 in words is "eleven trillion, one hundred twenty-two billion, eleven million, two hundred twenty-one thousand, one".