201000121102121 has 8 divisors (see below), whose sum is σ = 219883647297600. Its totient is φ = 182218392892240.

The previous prime is 201000121102117. The next prime is 201000121102133. The reversal of 201000121102121 is 121201121000102.

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 201000121102121 - 2² = 201000121102117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201000121102096 and 201000121102105.

It is not an unprimeable number, because it can be changed into a prime (201000121102421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25449492266 + ... + 25449500163.

It is an arithmetic number, because the mean of its divisors is an integer number (27485455912200).

Almost surely, 2^{201000121102121} is an apocalyptic number.

It is an amenable number.

201000121102121 is a deficient number, since it is larger than the sum of its proper divisors (18883526195479).

201000121102121 is a wasteful number, since it uses less digits than its factorization.

201000121102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50898992799.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201000121102121 its reverse (121201121000102), we get a palindrome (322201242102223).

It can be divided in two parts, 201000 and 121102121, that added together give a palindrome (121303121).

The spelling of 201000121102121 in words is "two hundred one trillion, one hundred twenty-one million, one hundred two thousand, one hundred twenty-one".