2021222210222 has 8 divisors (see below), whose sum is σ = 3031854174936. Its totient is φ = 1010604151912.

The previous prime is 2021222210173. The next prime is 2021222210263. The reversal of 2021222210222 is 2220122221202.

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

It is a super-2 number, since 2×2021222210222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021222210194 and 2021222210203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3105308 + ... + 3699375.

It is an arithmetic number, because the mean of its divisors is an integer number (378981771867).

Almost surely, 2^{2021222210222} is an apocalyptic number.

2021222210222 is a deficient number, since it is larger than the sum of its proper divisors (1010631964714).

2021222210222 is a wasteful number, since it uses less digits than its factorization.

2021222210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6953202.

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

Adding to 2021222210222 its reverse (2220122221202), we get a palindrome (4241344431424).

The spelling of 2021222210222 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two hundred ten thousand, two hundred twenty-two".