2102103102 has 64 divisors (see below), whose sum is σ = 4681006848. Its totient is φ = 624000000.

The previous prime is 2102103071. The next prime is 2102103121. The reversal of 2102103102 is 2013012012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644977 + ... + 648227.

It is an arithmetic number, because the mean of its divisors is an integer number (73140732).

Almost surely, 2^2102103102 is an apocalyptic number.

2102103102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102103102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2340503424).

2102103102 is an abundant number, since it is smaller than the sum of its proper divisors (2578903746).

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

2102103102 is a wasteful number, since it uses less digits than its factorization.

2102103102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2102103102 is about 45848.6979313481. The cubic root of 2102103102 is about 1281.0065126141.

Adding to 2102103102 its reverse (2013012012), we get a palindrome (4115115114).

It can be divided in two parts, 210210 and 3102, that added together give a palindrome (213312).

The spelling of 2102103102 in words is "two billion, one hundred two million, one hundred three thousand, one hundred two".