200100101121 has 12 divisors (see below), whose sum is σ = 291734728272. Its totient is φ = 132153337176.

The previous prime is 200100101119. The next prime is 200100101137. The reversal of 200100101121 is 121101001002.

It is a happy number.

It is not a de Polignac number, because 200100101121 - 2¹ = 200100101119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (200100101321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103893171 + ... + 103895096.

It is an arithmetic number, because the mean of its divisors is an integer number (24311227356).

Almost surely, 2^200100101121 is an apocalyptic number.

It is an amenable number.

200100101121 is a deficient number, since it is larger than the sum of its proper divisors (91634627151).

200100101121 is a wasteful number, since it uses less digits than its factorization.

200100101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207788380 (or 207788377 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 200100101121 its reverse (121101001002), we get a palindrome (321201102123).

The spelling of 200100101121 in words is "two hundred billion, one hundred million, one hundred one thousand, one hundred twenty-one".