2100212021231 has 8 divisors (see below), whose sum is σ = 2123837658000. Its totient is φ = 2076587001280.

The previous prime is 2100212021207. The next prime is 2100212021233. The reversal of 2100212021231 is 1321202120012.

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 2100212021231 - 2³⁸ = 1825334114287 is a prime.

It is a super-2 number, since 2×2100212021231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100212021233) 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, 12485120 + ... + 12652218.

It is an arithmetic number, because the mean of its divisors is an integer number (265479707250).

Almost surely, 2^{2100212021231} is an apocalyptic number.

2100212021231 is a deficient number, since it is larger than the sum of its proper divisors (23625636769).

2100212021231 is a wasteful number, since it uses less digits than its factorization.

2100212021231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308409.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2100212021231 its reverse (1321202120012), we get a palindrome (3421414141243).

The spelling of 2100212021231 in words is "two trillion, one hundred billion, two hundred twelve million, twenty-one thousand, two hundred thirty-one".