2121132212330 has 16 divisors (see below), whose sum is σ = 3819114459360. Its totient is φ = 848213667792.

The previous prime is 2121132212327. The next prime is 2121132212351. The reversal of 2121132212330 is 332122311212.

It is a junction number, because it is equal to n+sod(n) for n = 2121132212296 and 2121132212305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29864900 + ... + 29935839.

It is an arithmetic number, because the mean of its divisors is an integer number (238694653710).

Almost surely, 2^{2121132212330} is an apocalyptic number.

2121132212330 is a deficient number, since it is larger than the sum of its proper divisors (1697982247030).

2121132212330 is a wasteful number, since it uses less digits than its factorization.

2121132212330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59804293.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2121132212330 its reverse (332122311212), we get a palindrome (2453254523542).

The spelling of 2121132212330 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-two million, two hundred twelve thousand, three hundred thirty".