2021212110001 has 8 divisors (see below), whose sum is σ = 2310424623360. Its totient is φ = 1732116578208.

The previous prime is 2021212109971. The next prime is 2021212110031. The reversal of 2021212110001 is 1000112121202.

It is an interprime number because it is at equal distance from previous prime (2021212109971) and next prime (2021212110031).

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 2021212110001 - 2¹³ = 2021212101809 is a prime.

It is a super-2 number, since 2×2021212110001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021212110031) 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, 29208361 + ... + 29277478.

It is an arithmetic number, because the mean of its divisors is an integer number (288803077920).

Almost surely, 2^{2021212110001} is an apocalyptic number.

It is an amenable number.

2021212110001 is a deficient number, since it is larger than the sum of its proper divisors (289212513359).

2021212110001 is an equidigital number, since it uses as much as digits as its factorization.

2021212110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58490783.

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

Adding to 2021212110001 its reverse (1000112121202), we get a palindrome (3021324231203).

The spelling of 2021212110001 in words is "two trillion, twenty-one billion, two hundred twelve million, one hundred ten thousand, one".