201000012000121 has 8 divisors (see below), whose sum is σ = 209816508991104. Its totient is φ = 192189962178720.

The previous prime is 201000012000119. The next prime is 201000012000173. The reversal of 201000012000121 is 121000210000102.

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 201000012000121 - 2¹ = 201000012000119 is a prime.

It is a super-3 number, since 3×201000012000121³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201000012000098 and 201000012000107.

It is not an unprimeable number, because it can be changed into a prime (201000012000521) 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, 1611728676 + ... + 1611853381.

It is an arithmetic number, because the mean of its divisors is an integer number (26227063623888).

Almost surely, 2^{201000012000121} is an apocalyptic number.

It is an amenable number.

201000012000121 is a deficient number, since it is larger than the sum of its proper divisors (8816496990983).

201000012000121 is a wasteful number, since it uses less digits than its factorization.

201000012000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223584791.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201000012000121 its reverse (121000210000102), we get a palindrome (322000222000223).

It can be divided in two parts, 20100001 and 2000121, that added together give a palindrome (22100122).

The spelling of 201000012000121 in words is "two hundred one trillion, twelve million, one hundred twenty-one", and thus it is an aban number.