21332163102 has 32 divisors (see below), whose sum is σ = 42801776160. Its totient is φ = 7087841280.

The previous prime is 21332163049. The next prime is 21332163103. The reversal of 21332163102 is 20136123312.

It is a super-2 number, since 2×21332163102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332163103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4269918 + ... + 4274910.

It is an arithmetic number, because the mean of its divisors is an integer number (1337555505).

Almost surely, 2^21332163102 is an apocalyptic number.

21332163102 is an abundant number, since it is smaller than the sum of its proper divisors (21469613058).

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

21332163102 is a wasteful number, since it uses less digits than its factorization.

21332163102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21332163102 its reverse (20136123312), we get a palindrome (41468286414).

The spelling of 21332163102 in words is "twenty-one billion, three hundred thirty-two million, one hundred sixty-three thousand, one hundred two".