21102110132032 has 14 divisors (see below), whose sum is σ = 41874499793378. Its totient is φ = 10551055065984.

The previous prime is 21102110132029. The next prime is 21102110132041. The reversal of 21102110132032 is 23023101120112.

It can be written as a sum of positive squares in only one way, i.e., 15155262136576 + 5946847995456 = 3892976^2 + 2438616^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164860235343 + ... + 164860235470.

It is an arithmetic number, because the mean of its divisors is an integer number (2991035699527).

Almost surely, 2^{21102110132032} is an apocalyptic number.

It is an amenable number.

21102110132032 is a deficient number, since it is larger than the sum of its proper divisors (20772389661346).

21102110132032 is an equidigital number, since it uses as much as digits as its factorization.

21102110132032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329720470825 (or 329720470815 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21102110132032 its reverse (23023101120112), we get a palindrome (44125211252144).

The spelling of 21102110132032 in words is "twenty-one trillion, one hundred two billion, one hundred ten million, one hundred thirty-two thousand, thirty-two".