200120021111103 has 16 divisors (see below), whose sum is σ = 274074568026336. Its totient is φ = 129790367141760.

The previous prime is 200120021111099. The next prime is 200120021111113. The reversal of 200120021111103 is 301111120021002.

It is not a de Polignac number, because 200120021111103 - 2² = 200120021111099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120021111113) 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, 118701676 + ... + 120375777.

It is an arithmetic number, because the mean of its divisors is an integer number (17129660501646).

Almost surely, 2^{200120021111103} is an apocalyptic number.

200120021111103 is a deficient number, since it is larger than the sum of its proper divisors (73954546915233).

200120021111103 is a wasteful number, since it uses less digits than its factorization.

200120021111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239085034.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 200120021111103 its reverse (301111120021002), we get a palindrome (501231141132105).

The spelling of 200120021111103 in words is "two hundred trillion, one hundred twenty billion, twenty-one million, one hundred eleven thousand, one hundred three".