21110200102 has 8 divisors (see below), whose sum is σ = 32111290512. Its totient is φ = 10406436600.

The previous prime is 21110200093. The next prime is 21110200129. The reversal of 21110200102 is 20100201112.

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

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, 74331549 + ... + 74331832.

It is an arithmetic number, because the mean of its divisors is an integer number (4013911314).

Almost surely, 2^21110200102 is an apocalyptic number.

21110200102 is a deficient number, since it is larger than the sum of its proper divisors (11001090410).

21110200102 is a wasteful number, since it uses less digits than its factorization.

21110200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148663454.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21110200102 its reverse (20100201112), we get a palindrome (41210401214).

The spelling of 21110200102 in words is "twenty-one billion, one hundred ten million, two hundred thousand, one hundred two".