11022221112001 has 16 divisors (see below), whose sum is σ = 12439533139200. Its totient is φ = 9674161235200.

The previous prime is 11022221111981. The next prime is 11022221112043. The reversal of 11022221112001 is 10021112222011.

It is not a de Polignac number, because 11022221112001 - 2⁵ = 11022221111969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022221112601) 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, 5136681 + ... + 6959161.

It is an arithmetic number, because the mean of its divisors is an integer number (777470821200).

Almost surely, 2^{11022221112001} is an apocalyptic number.

11022221112001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11022221112001 is a deficient number, since it is larger than the sum of its proper divisors (1417312027199).

11022221112001 is a wasteful number, since it uses less digits than its factorization.

11022221112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841480.

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

Adding to 11022221112001 its reverse (10021112222011), we get a palindrome (21043333334012).

The spelling of 11022221112001 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, one hundred twelve thousand, one".