21101014002 has 8 divisors (see below), whose sum is σ = 42202028016. Its totient is φ = 7033671332.

The previous prime is 21101013971. The next prime is 21101014013. The reversal of 21101014002 is 20041010112.

It is a happy number.

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

21101014002 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758417828 + ... + 1758417839.

It is an arithmetic number, because the mean of its divisors is an integer number (5275253502).

Almost surely, 2^21101014002 is an apocalyptic number.

21101014002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21101014002 is a wasteful number, since it uses less digits than its factorization.

21101014002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516835672.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21101014002 its reverse (20041010112), we get a palindrome (41142024114).

The spelling of 21101014002 in words is "twenty-one billion, one hundred one million, fourteen thousand, two".