200121020211101 has 16 divisors (see below), whose sum is σ = 219748912934400. Its totient is φ = 180734301111600.

The previous prime is 200121020211061. The next prime is 200121020211113. The reversal of 200121020211101 is 101112020121002.

200121020211101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 200121020211101 - 2²² = 200121016016797 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 (200121020211131) 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, 47863985 + ... + 51876806.

It is an arithmetic number, because the mean of its divisors is an integer number (13734307058400).

Almost surely, 2^{200121020211101} is an apocalyptic number.

It is an amenable number.

200121020211101 is a deficient number, since it is larger than the sum of its proper divisors (19627892723299).

200121020211101 is a wasteful number, since it uses less digits than its factorization.

200121020211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99742000.

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

Adding to 200121020211101 its reverse (101112020121002), we get a palindrome (301233040332103).

Subtracting from 200121020211101 its reverse (101112020121002), we obtain a palindrome (99009000090099).

The spelling of 200121020211101 in words is "two hundred trillion, one hundred twenty-one billion, twenty million, two hundred eleven thousand, one hundred one".