2222122122021 has 8 divisors (see below), whose sum is σ = 2998526237280. Its totient is φ = 1463566377392.

The previous prime is 2222122122001. The next prime is 2222122122053. The reversal of 2222122122021 is 1202212212222.

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

It is a cyclic number.

It is not a de Polignac number, because 2222122122021 - 2¹³ = 2222122113829 is a prime.

It is a super-2 number, since 2×2222122122021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222122122001) 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, 4462092366 + ... + 4462092863.

It is an arithmetic number, because the mean of its divisors is an integer number (374815779660).

Almost surely, 2^{2222122122021} is an apocalyptic number.

It is an amenable number.

2222122122021 is a deficient number, since it is larger than the sum of its proper divisors (776404115259).

2222122122021 is an equidigital number, since it uses as much as digits as its factorization.

2222122122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924185315.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2222122122021 its reverse (1202212212222), we get a palindrome (3424334334243).

The spelling of 2222122122021 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, twenty-one".