2222000012021 has 4 divisors (see below), whose sum is σ = 2222013992844. Its totient is φ = 2221986031200.

The previous prime is 2222000011997. The next prime is 2222000012069. The reversal of 2222000012021 is 1202100002222.

2222000012021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 349563555121 + 1872436456900 = 591239^2 + 1368370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222000012021 - 2¹⁸ = 2221999749877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2222000011987 and 2222000012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222000092021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6749240 + ... + 7070801.

It is an arithmetic number, because the mean of its divisors is an integer number (555503498211).

Almost surely, 2^{2222000012021} is an apocalyptic number.

It is an amenable number.

2222000012021 is a deficient number, since it is larger than the sum of its proper divisors (13980823).

2222000012021 is a wasteful number, since it uses less digits than its factorization.

2222000012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13980822.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2222000012021 its reverse (1202100002222), we get a palindrome (3424100014243).

The spelling of 2222000012021 in words is "two trillion, two hundred twenty-two billion, twelve thousand, twenty-one".