200120012211101 has 4 divisors (see below), whose sum is σ = 200120501334432. Its totient is φ = 200119523087772.

The previous prime is 200120012211071. The next prime is 200120012211109. The reversal of 200120012211101 is 101112210021002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200120012211101 - 2³⁴ = 200102832341917 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 (200120012211109) 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, 243947441 + ... + 244766406.

It is an arithmetic number, because the mean of its divisors is an integer number (50030125333608).

Almost surely, 2^{200120012211101} is an apocalyptic number.

It is an amenable number.

200120012211101 is a deficient number, since it is larger than the sum of its proper divisors (489123331).

200120012211101 is an equidigital number, since it uses as much as digits as its factorization.

200120012211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489123330.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200120012211101 its reverse (101112210021002), we get a palindrome (301232222232103).

The spelling of 200120012211101 in words is "two hundred trillion, one hundred twenty billion, twelve million, two hundred eleven thousand, one hundred one".