2121210323101 has 8 divisors (see below), whose sum is σ = 2234123187264. Its totient is φ = 2010021319680.

The previous prime is 2121210323087. The next prime is 2121210323143. The reversal of 2121210323101 is 1013230121212.

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 2121210323101 - 2⁹ = 2121210322589 is a prime.

It is a super-3 number, since 3×2121210323101³ (a number of 38 digits) contains 333 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 (2121210323171) 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, 430962660 + ... + 430967581.

It is an arithmetic number, because the mean of its divisors is an integer number (279265398408).

Almost surely, 2^{2121210323101} is an apocalyptic number.

It is an amenable number.

2121210323101 is a deficient number, since it is larger than the sum of its proper divisors (112912864163).

2121210323101 is a wasteful number, since it uses less digits than its factorization.

2121210323101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861930371.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2121210323101 its reverse (1013230121212), we get a palindrome (3134440444313).

The spelling of 2121210323101 in words is "two trillion, one hundred twenty-one billion, two hundred ten million, three hundred twenty-three thousand, one hundred one".