2212222022021 has 8 divisors (see below), whose sum is σ = 2414544043584. Its totient is φ = 2010101821920.

The previous prime is 2212222022011. The next prime is 2212222022039. The reversal of 2212222022021 is 1202202222122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212222022021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212222021984 and 2212222022002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212222022011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50432441 + ... + 50476286.

It is an arithmetic number, because the mean of its divisors is an integer number (301818005448).

Almost surely, 2^{2212222022021} is an apocalyptic number.

It is an amenable number.

2212222022021 is a deficient number, since it is larger than the sum of its proper divisors (202322021563).

2212222022021 is a wasteful number, since it uses less digits than its factorization.

2212222022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100910731.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2212222022021 its reverse (1202202222122), we get a palindrome (3414424244143).

The spelling of 2212222022021 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, twenty-two thousand, twenty-one".