200101111200121 has 8 divisors (see below), whose sum is σ = 200918101024584. Its totient is φ = 199285694023680.

The previous prime is 200101111200103. The next prime is 200101111200157. The reversal of 200101111200121 is 121002111101002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 132710146560121 + 67390964640000 = 11519989^2 + 8209200^2 .

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 200101111200121 - 2¹³ = 200101111191929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200101111200521) 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, 392907010 + ... + 393415963.

It is an arithmetic number, because the mean of its divisors is an integer number (25114762628073).

Almost surely, 2^{200101111200121} is an apocalyptic number.

It is an amenable number.

200101111200121 is a deficient number, since it is larger than the sum of its proper divisors (816989824463).

200101111200121 is an equidigital number, since it uses as much as digits as its factorization.

200101111200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786324011.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 200101111200121 its reverse (121002111101002), we get a palindrome (321103222301123).

The spelling of 200101111200121 in words is "two hundred trillion, one hundred one billion, one hundred eleven million, two hundred thousand, one hundred twenty-one".