21323212011130 has 128 divisors (see below), whose sum is σ = 41572389922560. Its totient is φ = 7844989501440.

The previous prime is 21323212011121. The next prime is 21323212011149. The reversal of 21323212011130 is 3111021232312.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1982995834 + ... + 1983006586.

It is an arithmetic number, because the mean of its divisors is an integer number (324784296270).

Almost surely, 2^{21323212011130} is an apocalyptic number.

21323212011130 is a deficient number, since it is larger than the sum of its proper divisors (20249177911430).

21323212011130 is a wasteful number, since it uses less digits than its factorization.

21323212011130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11984.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21323212011130 its reverse (3111021232312), we get a palindrome (24434233243442).

The spelling of 21323212011130 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred twelve million, eleven thousand, one hundred thirty".