21101430214000 has 80 divisors (see below), whose sum is σ = 51110183176416. Its totient is φ = 8426192448000.

The previous prime is 21101430213977. The next prime is 21101430214013. The reversal of 21101430214000 is 41203410112.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7812981 + ... + 10160980.

Almost surely, 2^{21101430214000} is an apocalyptic number.

21101430214000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21101430214000 is an abundant number, since it is smaller than the sum of its proper divisors (30008752962416).

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

21101430214000 is a wasteful number, since it uses less digits than its factorization.

21101430214000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17974571 (or 17974555 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21101430214000 its reverse (41203410112), we get a palindrome (21142633624112).

The spelling of 21101430214000 in words is "twenty-one trillion, one hundred one billion, four hundred thirty million, two hundred fourteen thousand".