21332123100030 has 64 divisors (see below), whose sum is σ = 54212149136448. Its totient is φ = 5353602908160.

The previous prime is 21332123100019. The next prime is 21332123100073. The reversal of 21332123100030 is 3000132123312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6711174 + ... + 9365046.

It is an arithmetic number, because the mean of its divisors is an integer number (847064830257).

Almost surely, 2^{21332123100030} is an apocalyptic number.

21332123100030 is an abundant number, since it is smaller than the sum of its proper divisors (32880026036418).

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

21332123100030 is a wasteful number, since it uses less digits than its factorization.

21332123100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669661.

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

Adding to 21332123100030 its reverse (3000132123312), we get a palindrome (24332255223342).

The spelling of 21332123100030 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred twenty-three million, one hundred thousand, thirty".