210021001102 has 16 divisors (see below), whose sum is σ = 358612935552. Its totient is φ = 91313478520.

The previous prime is 210021001097. The next prime is 210021001121. The reversal of 210021001102 is 201100120012.

210021001102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207530128 + ... + 207531139.

It is an arithmetic number, because the mean of its divisors is an integer number (22413308472).

Almost surely, 2^210021001102 is an apocalyptic number.

210021001102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210021001102 is a deficient number, since it is larger than the sum of its proper divisors (148591934450).

210021001102 is a wasteful number, since it uses less digits than its factorization.

210021001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415061303.

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

Adding to 210021001102 its reverse (201100120012), we get a palindrome (411121121114).

The spelling of 210021001102 in words is "two hundred ten billion, twenty-one million, one thousand, one hundred two".