2212200222021 has 12 divisors (see below), whose sum is σ = 3197898695680. Its totient is φ = 1473647051880.

The previous prime is 2212200222019. The next prime is 2212200222031. The reversal of 2212200222021 is 1202220022122.

2212200222021 is a `hidden beast` number, since 221 + 2 + 200 + 2 + 220 + 21 = 666.

It is not a de Polignac number, because 2212200222021 - 2¹ = 2212200222019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212200221985 and 2212200222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212200222031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96079195 + ... + 96102216.

Almost surely, 2^{2212200222021} is an apocalyptic number.

It is an amenable number.

2212200222021 is a deficient number, since it is larger than the sum of its proper divisors (985698473659).

2212200222021 is a wasteful number, since it uses less digits than its factorization.

2212200222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192182696 (or 192182693 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2212200222021 its reverse (1202220022122), we get a palindrome (3414420244143).

The spelling of 2212200222021 in words is "two trillion, two hundred twelve billion, two hundred million, two hundred twenty-two thousand, twenty-one".