200120210110121 has 16 divisors (see below), whose sum is σ = 236629263911040. Its totient is φ = 165592966479360.

The previous prime is 200120210110081. The next prime is 200120210110123. The reversal of 200120210110121 is 121011012021002.

It is not a de Polignac number, because 200120210110121 - 2¹⁴ = 200120210093737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200120210110096 and 200120210110105.

It is not an unprimeable number, because it can be changed into a prime (200120210110123) 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, 69293096 + ... + 72123321.

It is an arithmetic number, because the mean of its divisors is an integer number (14789328994440).

Almost surely, 2^{200120210110121} is an apocalyptic number.

It is an amenable number.

200120210110121 is a deficient number, since it is larger than the sum of its proper divisors (36509053800919).

200120210110121 is a wasteful number, since it uses less digits than its factorization.

200120210110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141423424.

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

Adding to 200120210110121 its reverse (121011012021002), we get a palindrome (321131222131123).

The spelling of 200120210110121 in words is "two hundred trillion, one hundred twenty billion, two hundred ten million, one hundred ten thousand, one hundred twenty-one".