21101230006 has 8 divisors (see below), whose sum is σ = 31670479800. Its totient is φ = 10544403408.

The previous prime is 21101229979. The next prime is 21101230013. The reversal of 21101230006 is 60003210112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×21101230006³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3101551 + ... + 3108346.

It is an arithmetic number, because the mean of its divisors is an integer number (3958809975).

Almost surely, 2^21101230006 is an apocalyptic number.

21101230006 is a deficient number, since it is larger than the sum of its proper divisors (10569249794).

21101230006 is a wasteful number, since it uses less digits than its factorization.

21101230006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211598.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21101230006 its reverse (60003210112), we get a palindrome (81104440118).

The spelling of 21101230006 in words is "twenty-one billion, one hundred one million, two hundred thirty thousand, six".