21102301030 has 8 divisors (see below), whose sum is σ = 37984141872. Its totient is φ = 8440920408.

The previous prime is 21102300953. The next prime is 21102301043. The reversal of 21102301030 is 3010320112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21102301030.

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, 1055115042 + ... + 1055115061.

It is an arithmetic number, because the mean of its divisors is an integer number (4748017734).

Almost surely, 2^21102301030 is an apocalyptic number.

21102301030 is a deficient number, since it is larger than the sum of its proper divisors (16881840842).

21102301030 is a wasteful number, since it uses less digits than its factorization.

21102301030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110230110.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21102301030 its reverse (3010320112), we get a palindrome (24112621142).

The spelling of 21102301030 in words is "twenty-one billion, one hundred two million, three hundred one thousand, thirty".