200120022222111 has 8 divisors (see below), whose sum is σ = 296474106995760. Its totient is φ = 133413348148056.

The previous prime is 200120022222077. The next prime is 200120022222143. The reversal of 200120022222111 is 111222220021002.

It is a happy number.

200120022222111 is a `hidden beast` number, since 20 + 0 + 1 + 200 + 222 + 221 + 1 + 1 = 666.

It is not a de Polignac number, because 200120022222111 - 2⁶ = 200120022222047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120022722111) 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, 3705926337420 + ... + 3705926337473.

It is an arithmetic number, because the mean of its divisors is an integer number (37059263374470).

Almost surely, 2^{200120022222111} is an apocalyptic number.

200120022222111 is a deficient number, since it is larger than the sum of its proper divisors (96354084773649).

200120022222111 is an equidigital number, since it uses as much as digits as its factorization.

200120022222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411852674902 (or 7411852674896 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200120022222111 its reverse (111222220021002), we get a palindrome (311342242243113).

The spelling of 200120022222111 in words is "two hundred trillion, one hundred twenty billion, twenty-two million, two hundred twenty-two thousand, one hundred eleven".