21110100002 has 8 divisors (see below), whose sum is σ = 31667113296. Its totient is φ = 10554395572.

The previous prime is 21110099971. The next prime is 21110100023. The reversal of 21110100002 is 20000101112.

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

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, 285848 + ... + 352035.

It is an arithmetic number, because the mean of its divisors is an integer number (3958389162).

Almost surely, 2^21110100002 is an apocalyptic number.

21110100002 is a deficient number, since it is larger than the sum of its proper divisors (10557013294).

21110100002 is a wasteful number, since it uses less digits than its factorization.

21110100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654432.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 21110100002 its reverse (20000101112), we get a palindrome (41110201114).

The spelling of 21110100002 in words is "twenty-one billion, one hundred ten million, one hundred thousand, two".