22100022221001 has 4 divisors (see below), whose sum is σ = 29466696294672. Its totient is φ = 14733348147332.

The previous prime is 22100022220999. The next prime is 22100022221009. The reversal of 22100022221001 is 10012222000122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22100022221001 - 2¹ = 22100022220999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22100022221009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683337036831 + ... + 3683337036836.

It is an arithmetic number, because the mean of its divisors is an integer number (7366674073668).

Almost surely, 2^{22100022221001} is an apocalyptic number.

It is an amenable number.

22100022221001 is a deficient number, since it is larger than the sum of its proper divisors (7366674073671).

22100022221001 is an equidigital number, since it uses as much as digits as its factorization.

22100022221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366674073670.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22100022221001 its reverse (10012222000122), we get a palindrome (32112244221123).

The spelling of 22100022221001 in words is "twenty-two trillion, one hundred billion, twenty-two million, two hundred twenty-one thousand, one".