22220220210001 has 4 divisors (see below), whose sum is σ = 24240240229104. Its totient is φ = 20200200190900.

The previous prime is 22220220209981. The next prime is 22220220210103. The reversal of 22220220210001 is 10001202202222.

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 22220220210001 - 2¹¹ = 22220220207953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220220210301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010010009535 + ... + 1010010009556.

It is an arithmetic number, because the mean of its divisors is an integer number (6060060057276).

Almost surely, 2^{22220220210001} is an apocalyptic number.

It is an amenable number.

22220220210001 is a deficient number, since it is larger than the sum of its proper divisors (2020020019103).

22220220210001 is a wasteful number, since it uses less digits than its factorization.

22220220210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020020019102.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22220220210001 its reverse (10001202202222), we get a palindrome (32221422412223).

The spelling of 22220220210001 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty million, two hundred ten thousand, one".