2222012200221 has 24 divisors (see below), whose sum is σ = 3707314475904. Its totient is φ = 1267457938560.

The previous prime is 2222012200207. The next prime is 2222012200301. The reversal of 2222012200221 is 1220022102222.

2222012200221 is a `hidden beast` number, since 2 + 2 + 220 + 1 + 220 + 0 + 221 = 666.

It is not a de Polignac number, because 2222012200221 - 2⁵ = 2222012200189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2222012200194 and 2222012200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222012200201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 660132661 + ... + 660136026.

It is an arithmetic number, because the mean of its divisors is an integer number (154471436496).

Almost surely, 2^{2222012200221} is an apocalyptic number.

It is an amenable number.

2222012200221 is a deficient number, since it is larger than the sum of its proper divisors (1485302275683).

2222012200221 is a wasteful number, since it uses less digits than its factorization.

2222012200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320268721 (or 1320268718 counting only the distinct ones).

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

Adding to 2222012200221 its reverse (1220022102222), we get a palindrome (3442034302443).

The spelling of 2222012200221 in words is "two trillion, two hundred twenty-two billion, twelve million, two hundred thousand, two hundred twenty-one".