100000200121 has 8 divisors (see below), whose sum is σ = 105893062560. Its totient is φ = 94108504128.

The previous prime is 100000200073. The next prime is 100000200143. The reversal of 100000200121 is 121002000001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100000200121 - 2¹¹ = 100000198073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100000200191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111931 + ... + 461008.

It is an arithmetic number, because the mean of its divisors is an integer number (13236632820).

Almost surely, 2^100000200121 is an apocalyptic number.

It is an amenable number.

100000200121 is a deficient number, since it is larger than the sum of its proper divisors (5892862439).

100000200121 is a wasteful number, since it uses less digits than its factorization.

100000200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583223.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100000200121 its reverse (121002000001), we get a palindrome (221002200122).

The spelling of 100000200121 in words is "one hundred billion, two hundred thousand, one hundred twenty-one".