201000212112021 has 16 divisors (see below), whose sum is σ = 306318106288128. Its totient is φ = 114845238270000.

The previous prime is 201000212112013. The next prime is 201000212112023. The reversal of 201000212112021 is 120211212000102.

It is not a de Polignac number, because 201000212112021 - 2³ = 201000212112013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000212112023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500869405 + ... + 501270546.

It is an arithmetic number, because the mean of its divisors is an integer number (19144881643008).

Almost surely, 2^{201000212112021} is an apocalyptic number.

201000212112021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201000212112021 is a deficient number, since it is larger than the sum of its proper divisors (105317894176107).

201000212112021 is a wasteful number, since it uses less digits than its factorization.

201000212112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002149512.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201000212112021 its reverse (120211212000102), we get a palindrome (321211424112123).

The spelling of 201000212112021 in words is "two hundred one trillion, two hundred twelve million, one hundred twelve thousand, twenty-one".