200101012101121 has 4 divisors (see below), whose sum is σ = 200101155596244. Its totient is φ = 200100868606000.

The previous prime is 200101012101113. The next prime is 200101012101127. The reversal of 200101012101121 is 121101210101002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110471451091600 + 89629561009521 = 10510540^2 + 9467289^2 .

It is a cyclic number.

It is not a de Polignac number, because 200101012101121 - 2³ = 200101012101113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200101012101127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69635110 + ... + 72451711.

It is an arithmetic number, because the mean of its divisors is an integer number (50025288899061).

Almost surely, 2^{200101012101121} is an apocalyptic number.

It is an amenable number.

200101012101121 is a deficient number, since it is larger than the sum of its proper divisors (143495123).

200101012101121 is a wasteful number, since it uses less digits than its factorization.

200101012101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143495122.

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

Adding to 200101012101121 its reverse (121101210101002), we get a palindrome (321202222202123).

The spelling of 200101012101121 in words is "two hundred trillion, one hundred one billion, twelve million, one hundred one thousand, one hundred twenty-one".