21032121013330 has 32 divisors (see below), whose sum is σ = 43266253671936. Its totient is φ = 7210983559104.

The previous prime is 21032121013301. The next prime is 21032121013349. The reversal of 21032121013330 is 3331012123012.

It is a super-2 number, since 2×21032121013330² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23375047 + ... + 24258133.

It is an arithmetic number, because the mean of its divisors is an integer number (1352070427248).

Almost surely, 2^{21032121013330} is an apocalyptic number.

21032121013330 is an abundant number, since it is smaller than the sum of its proper divisors (22234132658606).

21032121013330 is a wasteful number, since it uses less digits than its factorization.

21032121013330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223338.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21032121013330 its reverse (3331012123012), we get a palindrome (24363133136342).

The spelling of 21032121013330 in words is "twenty-one trillion, thirty-two billion, one hundred twenty-one million, thirteen thousand, three hundred thirty".