200120222111101 has 4 divisors (see below), whose sum is σ = 200333797589212. Its totient is φ = 199906646632992.

The previous prime is 200120222111077. The next prime is 200120222111113. The reversal of 200120222111101 is 101111222021002.

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 42951625955001 + 157168596156100 = 6553749^2 + 12536690^2 .

It is a cyclic number.

It is not a de Polignac number, because 200120222111101 - 2²³ = 200120213722493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120222111401) 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, 106787737650 + ... + 106787739523.

It is an arithmetic number, because the mean of its divisors is an integer number (50083449397303).

Almost surely, 2^{200120222111101} is an apocalyptic number.

It is an amenable number.

200120222111101 is a deficient number, since it is larger than the sum of its proper divisors (213575478111).

200120222111101 is an equidigital number, since it uses as much as digits as its factorization.

200120222111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213575478110.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200120222111101 its reverse (101111222021002), we get a palindrome (301231444132103).

Subtracting from 200120222111101 its reverse (101111222021002), we obtain a palindrome (99009000090099).

The spelling of 200120222111101 in words is "two hundred trillion, one hundred twenty billion, two hundred twenty-two million, one hundred eleven thousand, one hundred one".