200120021121103 has 4 divisors (see below), whose sum is σ = 200384380462840. Its totient is φ = 199855661779368.

The previous prime is 200120021121091. The next prime is 200120021121107. The reversal of 200120021121103 is 301121120021002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200120021121103 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 (200120021121107) 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, 132179669733 + ... + 132179671246.

It is an arithmetic number, because the mean of its divisors is an integer number (50096095115710).

Almost surely, 2^{200120021121103} is an apocalyptic number.

200120021121103 is a deficient number, since it is larger than the sum of its proper divisors (264359341737).

200120021121103 is an equidigital number, since it uses as much as digits as its factorization.

200120021121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264359341736.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 200120021121103 its reverse (301121120021002), we get a palindrome (501241141142105).

The spelling of 200120021121103 in words is "two hundred trillion, one hundred twenty billion, twenty-one million, one hundred twenty-one thousand, one hundred three".