2121133300230 has 64 divisors (see below), whose sum is σ = 5824109744640. Its totient is φ = 484318458624.

The previous prime is 2121133300229. The next prime is 2121133300277. The reversal of 2121133300230 is 320033311212.

It is a super-2 number, since 2×2121133300230² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2121133300197 and 2121133300206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5134095 + ... + 5531834.

It is an arithmetic number, because the mean of its divisors is an integer number (91001714760).

Almost surely, 2^{2121133300230} is an apocalyptic number.

2121133300230 is an abundant number, since it is smaller than the sum of its proper divisors (3702976444410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121133300230 is a wasteful number, since it uses less digits than its factorization.

2121133300230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666893.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2121133300230 its reverse (320033311212), we get a palindrome (2441166611442).

The spelling of 2121133300230 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-three million, three hundred thousand, two hundred thirty".