21101300302000 has 80 divisors (see below), whose sum is σ = 52209524439072. Its totient is φ = 8244228921600.

The previous prime is 21101300301989. The next prime is 21101300302007. The reversal of 21101300302000 is 20300310112.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (21101300302007) 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, 122595979 + ... + 122767978.

Almost surely, 2^{21101300302000} is an apocalyptic number.

21101300302000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21101300302000 is an abundant number, since it is smaller than the sum of its proper divisors (31108224137072).

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

21101300302000 is a wasteful number, since it uses less digits than its factorization.

21101300302000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245364023 (or 245364007 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21101300302000 its reverse (20300310112), we get a palindrome (21121600612112).

The spelling of 21101300302000 in words is "twenty-one trillion, one hundred one billion, three hundred million, three hundred two thousand".