2021102121201 has 8 divisors (see below), whose sum is σ = 2701590746304. Its totient is φ = 1344007455120.

The previous prime is 2021102121179. The next prime is 2021102121221. The reversal of 2021102121201 is 1021212011202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2021102121201 - 2¹⁴ = 2021102104817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2021102121221) 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, 848488365 + ... + 848490746.

It is an arithmetic number, because the mean of its divisors is an integer number (337698843288).

Almost surely, 2^{2021102121201} is an apocalyptic number.

It is an amenable number.

2021102121201 is a deficient number, since it is larger than the sum of its proper divisors (680488625103).

2021102121201 is a wasteful number, since it uses less digits than its factorization.

2021102121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696979511.

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

Adding to 2021102121201 its reverse (1021212011202), we get a palindrome (3042314132403).

The spelling of 2021102121201 in words is "two trillion, twenty-one billion, one hundred two million, one hundred twenty-one thousand, two hundred one".