2212210022021 has 8 divisors (see below), whose sum is σ = 2280522989760. Its totient is φ = 2144924317152.

The previous prime is 2212210021997. The next prime is 2212210022023. The reversal of 2212210022021 is 1202200122122.

It is a happy number.

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 2212210022021 - 2¹⁴ = 2212210005637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212210022023) 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, 256811345 + ... + 256819958.

It is an arithmetic number, because the mean of its divisors is an integer number (285065373720).

Almost surely, 2^{2212210022021} is an apocalyptic number.

It is an amenable number.

2212210022021 is a deficient number, since it is larger than the sum of its proper divisors (68312967739).

2212210022021 is an equidigital number, since it uses as much as digits as its factorization.

2212210022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513631435.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2212210022021 its reverse (1202200122122), we get a palindrome (3414410144143).

The spelling of 2212210022021 in words is "two trillion, two hundred twelve billion, two hundred ten million, twenty-two thousand, twenty-one".