21101113302002 has 16 divisors (see below), whose sum is σ = 31880156817600. Its totient is φ = 10474398063120.

The previous prime is 21101113301999. The next prime is 21101113302013. The reversal of 21101113302002 is 20020331110112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10766699 + ... + 12574737.

It is an arithmetic number, because the mean of its divisors is an integer number (1992509801100).

Almost surely, 2^{21101113302002} is an apocalyptic number.

21101113302002 is a deficient number, since it is larger than the sum of its proper divisors (10779043515598).

21101113302002 is a wasteful number, since it uses less digits than its factorization.

21101113302002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850161.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21101113302002 its reverse (20020331110112), we get a palindrome (41121444412114).

The spelling of 21101113302002 in words is "twenty-one trillion, one hundred one billion, one hundred thirteen million, three hundred two thousand, two".