22220221102001 has 16 divisors (see below), whose sum is σ = 24839383887360. Its totient is φ = 19738438853760.

The previous prime is 22220221101989. The next prime is 22220221102031. The reversal of 22220221102001 is 10020112202222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22220221102001 - 2¹⁰ = 22220221100977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220221102031) 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, 153941900 + ... + 154086173.

It is an arithmetic number, because the mean of its divisors is an integer number (1552461492960).

Almost surely, 2^{22220221102001} is an apocalyptic number.

It is an amenable number.

22220221102001 is a deficient number, since it is larger than the sum of its proper divisors (2619162785359).

22220221102001 is a wasteful number, since it uses less digits than its factorization.

22220221102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308028296.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22220221102001 its reverse (10020112202222), we get a palindrome (32240333304223).

The spelling of 22220221102001 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, one hundred two thousand, one".