2121001430 has 64 divisors (see below), whose sum is σ = 4154250240. Its totient is φ = 776615424.

The previous prime is 2121001411. The next prime is 2121001439. The reversal of 2121001430 is 341001212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121001439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1429469 + ... + 1430951.

It is an arithmetic number, because the mean of its divisors is an integer number (64910160).

Almost surely, 2^2121001430 is an apocalyptic number.

2121001430 is a deficient number, since it is larger than the sum of its proper divisors (2033248810).

2121001430 is a wasteful number, since it uses less digits than its factorization.

2121001430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2121001430 is about 46054.3312838217. The cubic root of 2121001430 is about 1284.8339008210.

Adding to 2121001430 its reverse (341001212), we get a palindrome (2462002642).

The spelling of 2121001430 in words is "two billion, one hundred twenty-one million, one thousand, four hundred thirty".