200120112112101 has 4 divisors (see below), whose sum is σ = 266826816149472. Its totient is φ = 133413408074732.

The previous prime is 200120112112093. The next prime is 200120112112187. The reversal of 200120112112101 is 101211211021002.

It is a happy number.

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 200120112112101 - 2³ = 200120112112093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120112102101) 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, 33353352018681 + ... + 33353352018686.

It is an arithmetic number, because the mean of its divisors is an integer number (66706704037368).

Almost surely, 2^{200120112112101} is an apocalyptic number.

It is an amenable number.

200120112112101 is a deficient number, since it is larger than the sum of its proper divisors (66706704037371).

200120112112101 is an equidigital number, since it uses as much as digits as its factorization.

200120112112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66706704037370.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200120112112101 its reverse (101211211021002), we get a palindrome (301331323133103).

The spelling of 200120112112101 in words is "two hundred trillion, one hundred twenty billion, one hundred twelve million, one hundred twelve thousand, one hundred one".