21211300213032 has 64 divisors (see below), whose sum is σ = 54562115836800. Its totient is φ = 6866624482560.

The previous prime is 21211300213009. The next prime is 21211300213049. The reversal of 21211300213032 is 23031200311212.

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, 21595932 + ... + 22556747.

It is an arithmetic number, because the mean of its divisors is an integer number (852533059950).

Almost surely, 2^{21211300213032} is an apocalyptic number.

It is an amenable number.

21211300213032 is an abundant number, since it is smaller than the sum of its proper divisors (33350815623768).

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

21211300213032 is a wasteful number, since it uses less digits than its factorization.

21211300213032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44153266 (or 44153262 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21211300213032 its reverse (23031200311212), we get a palindrome (44242500524244).

The spelling of 21211300213032 in words is "twenty-one trillion, two hundred eleven billion, three hundred million, two hundred thirteen thousand, thirty-two".