2122202233021 has 4 divisors (see below), whose sum is σ = 2285448558652. Its totient is φ = 1958955907392.

The previous prime is 2122202232991. The next prime is 2122202233057. The reversal of 2122202233021 is 1203322022212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 401684693796 + 1720517539225 = 633786^2 + 1311685^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122202233021 - 2²⁷ = 2122068015293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122202232983 and 2122202233001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122202234021) 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, 81623162796 + ... + 81623162821.

It is an arithmetic number, because the mean of its divisors is an integer number (571362139663).

Almost surely, 2^{2122202233021} is an apocalyptic number.

It is an amenable number.

2122202233021 is a deficient number, since it is larger than the sum of its proper divisors (163246325631).

2122202233021 is a wasteful number, since it uses less digits than its factorization.

2122202233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163246325630.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2122202233021 its reverse (1203322022212), we get a palindrome (3325524255233).

The spelling of 2122202233021 in words is "two trillion, one hundred twenty-two billion, two hundred two million, two hundred thirty-three thousand, twenty-one".