200120220022221 has 16 divisors (see below), whose sum is σ = 296546517541120. Its totient is φ = 133381027136160.

The previous prime is 200120220022211. The next prime is 200120220022237. The reversal of 200120220022221 is 122220022021002.

200120220022221 is a `hidden beast` number, since 20 + 0 + 1 + 202 + 200 + 22 + 221 = 666.

It is not a de Polignac number, because 200120220022221 - 2⁶ = 200120220022157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200120220022194 and 200120220022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120220022201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901355800 + ... + 901577793.

It is an arithmetic number, because the mean of its divisors is an integer number (18534157346320).

Almost surely, 2^{200120220022221} is an apocalyptic number.

It is an amenable number.

200120220022221 is a deficient number, since it is larger than the sum of its proper divisors (96426297518899).

200120220022221 is a wasteful number, since it uses less digits than its factorization.

200120220022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802937713 (or 1802937707 counting only the distinct ones).

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

Adding to 200120220022221 its reverse (122220022021002), we get a palindrome (322340242043223).

The spelling of 200120220022221 in words is "two hundred trillion, one hundred twenty billion, two hundred twenty million, twenty-two thousand, two hundred twenty-one".