2122213221001 has 4 divisors (see below), whose sum is σ = 2124683784400. Its totient is φ = 2119742657604.

The previous prime is 2122213220983. The next prime is 2122213221103. The reversal of 2122213221001 is 1001223122212.

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 2122213221001 - 2¹¹ = 2122213218953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122213221001.

It is not an unprimeable number, because it can be changed into a prime (2122213225001) 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, 1235280411 + ... + 1235282128.

It is an arithmetic number, because the mean of its divisors is an integer number (531170946100).

Almost surely, 2^{2122213221001} is an apocalyptic number.

It is an amenable number.

2122213221001 is a deficient number, since it is larger than the sum of its proper divisors (2470563399).

2122213221001 is an equidigital number, since it uses as much as digits as its factorization.

2122213221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470563398.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2122213221001 its reverse (1001223122212), we get a palindrome (3123436343213).

The spelling of 2122213221001 in words is "two trillion, one hundred twenty-two billion, two hundred thirteen million, two hundred twenty-one thousand, one".