2221100122001 has 16 divisors (see below), whose sum is σ = 2353943692800. Its totient is φ = 2088500785920.

The previous prime is 2221100121997. The next prime is 2221100122027. The reversal of 2221100122001 is 1002210011222.

It is a cyclic number.

It is not a de Polignac number, because 2221100122001 - 2² = 2221100121997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221108122001) 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 15 ways as a sum of consecutive naturals, for example, 109183091 + ... + 109203431.

It is an arithmetic number, because the mean of its divisors is an integer number (147121480800).

Almost surely, 2^{2221100122001} is an apocalyptic number.

It is an amenable number.

2221100122001 is a deficient number, since it is larger than the sum of its proper divisors (132843570799).

2221100122001 is a wasteful number, since it uses less digits than its factorization.

2221100122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26024.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2221100122001 its reverse (1002210011222), we get a palindrome (3223310133223).

The spelling of 2221100122001 in words is "two trillion, two hundred twenty-one billion, one hundred million, one hundred twenty-two thousand, one".