11122221012001 has 8 divisors (see below), whose sum is σ = 12133648044000. Its totient is φ = 10110846651840.

The previous prime is 11122221011971. The next prime is 11122221012011. The reversal of 11122221012001 is 10021012222111.

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

It is not a de Polignac number, because 11122221012001 - 2⁵ = 11122221011969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122221012011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12725791 + ... + 13571668.

It is an arithmetic number, because the mean of its divisors is an integer number (1516706005500).

Almost surely, 2^{11122221012001} is an apocalyptic number.

11122221012001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11122221012001 is a deficient number, since it is larger than the sum of its proper divisors (1011427031999).

11122221012001 is a wasteful number, since it uses less digits than its factorization.

11122221012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26335919.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11122221012001 its reverse (10021012222111), we get a palindrome (21143233234112).

The spelling of 11122221012001 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-one million, twelve thousand, one".