21102310120002 has 48 divisors (see below), whose sum is σ = 43823292539040. Its totient is φ = 6773435592192.

The previous prime is 21102310119997. The next prime is 21102310120009. The reversal of 21102310120002 is 20002101320112.

It is not an unprimeable number, because it can be changed into a prime (21102310120009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12445852 + ... + 14039367.

It is an arithmetic number, because the mean of its divisors is an integer number (912985261230).

Almost surely, 2^{21102310120002} is an apocalyptic number.

21102310120002 is an abundant number, since it is smaller than the sum of its proper divisors (22720982419038).

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

21102310120002 is a wasteful number, since it uses less digits than its factorization.

21102310120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26485395 (or 26485358 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21102310120002 its reverse (20002101320112), we get a palindrome (41104411440114).

The spelling of 21102310120002 in words is "twenty-one trillion, one hundred two billion, three hundred ten million, one hundred twenty thousand, two".