2121101230 has 8 divisors (see below), whose sum is σ = 3817982232. Its totient is φ = 848440488.

The previous prime is 2121101197. The next prime is 2121101261. The reversal of 2121101230 is 321011212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2121101230.

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, 106055052 + ... + 106055071.

It is an arithmetic number, because the mean of its divisors is an integer number (477247779).

Almost surely, 2^2121101230 is an apocalyptic number.

2121101230 is a deficient number, since it is larger than the sum of its proper divisors (1696881002).

2121101230 is a wasteful number, since it uses less digits than its factorization.

2121101230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212110130.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2121101230 is about 46055.4147739438. The cubic root of 2121101230 is about 1284.8540523730.

Adding to 2121101230 its reverse (321011212), we get a palindrome (2442112442).

The spelling of 2121101230 in words is "two billion, one hundred twenty-one million, one hundred one thousand, two hundred thirty".