2120102102 has 8 divisors (see below), whose sum is σ = 3209329200. Its totient is φ = 1050325704.

The previous prime is 2120102081. The next prime is 2120102107. The reversal of 2120102102 is 2012010212.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120102107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4862402 + ... + 4862837.

It is an arithmetic number, because the mean of its divisors is an integer number (401166150).

Almost surely, 2^2120102102 is an apocalyptic number.

2120102102 is a deficient number, since it is larger than the sum of its proper divisors (1089227098).

2120102102 is a wasteful number, since it uses less digits than its factorization.

2120102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9725350.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2120102102 is about 46044.5664764041. The cubic root of 2120102102 is about 1284.6522805672.

Adding to 2120102102 its reverse (2012010212), we get a palindrome (4132112314).

It can be divided in two parts, 212010210 and 2, that added together give a palindrome (212010212).

The spelling of 2120102102 in words is "two billion, one hundred twenty million, one hundred two thousand, one hundred two".