210001102102 has 32 divisors (see below), whose sum is σ = 364489766784. Its totient is φ = 89682614400.

The previous prime is 210001102099. The next prime is 210001102109. The reversal of 210001102102 is 201201100012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001102109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278128 + ... + 705235.

It is an arithmetic number, because the mean of its divisors is an integer number (11390305212).

Almost surely, 2^210001102102 is an apocalyptic number.

210001102102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210001102102 is a deficient number, since it is larger than the sum of its proper divisors (154488664682).

210001102102 is a wasteful number, since it uses less digits than its factorization.

210001102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983964.

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

Adding to 210001102102 its reverse (201201100012), we get a palindrome (411202202114).

The spelling of 210001102102 in words is "two hundred ten billion, one million, one hundred two thousand, one hundred two".