2121012021230 has 8 divisors (see below), whose sum is σ = 3817821638232. Its totient is φ = 848404808488.

The previous prime is 2121012021209. The next prime is 2121012021259. The reversal of 2121012021230 is 321202101212.

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

It is a super-3 number, since 3×2121012021230³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121012021199 and 2121012021208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106050601052 + ... + 106050601071.

It is an arithmetic number, because the mean of its divisors is an integer number (477227704779).

Almost surely, 2^{2121012021230} is an apocalyptic number.

2121012021230 is a deficient number, since it is larger than the sum of its proper divisors (1696809617002).

2121012021230 is a wasteful number, since it uses less digits than its factorization.

2121012021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212101202130.

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

Adding to 2121012021230 its reverse (321202101212), we get a palindrome (2442214122442).

The spelling of 2121012021230 in words is "two trillion, one hundred twenty-one billion, twelve million, twenty-one thousand, two hundred thirty".