201000210120121 has 8 divisors (see below), whose sum is σ = 203391598375584. Its totient is φ = 198619569677760.

The previous prime is 201000210120103. The next prime is 201000210120137. The reversal of 201000210120121 is 121021012000102.

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 201000210120121 - 2⁹ = 201000210119609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201000210120221) 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, 2686915651 + ... + 2686990456.

It is an arithmetic number, because the mean of its divisors is an integer number (25423949796948).

Almost surely, 2^{201000210120121} is an apocalyptic number.

It is an amenable number.

201000210120121 is a deficient number, since it is larger than the sum of its proper divisors (2391388255463).

201000210120121 is a wasteful number, since it uses less digits than its factorization.

201000210120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373906551.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201000210120121 its reverse (121021012000102), we get a palindrome (322021222120223).

The spelling of 201000210120121 in words is "two hundred one trillion, two hundred ten million, one hundred twenty thousand, one hundred twenty-one".