2112120210102 has 16 divisors (see below), whose sum is σ = 4827703337472. Its totient is φ = 603462917160.

The previous prime is 2112120210091. The next prime is 2112120210127. The reversal of 2112120210102 is 2010120212112.

It is a super-2 number, since 2×2112120210102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25144288174 + ... + 25144288257.

It is an arithmetic number, because the mean of its divisors is an integer number (301731458592).

Almost surely, 2^{2112120210102} is an apocalyptic number.

2112120210102 is an abundant number, since it is smaller than the sum of its proper divisors (2715583127370).

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

2112120210102 is a wasteful number, since it uses less digits than its factorization.

2112120210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50288576443.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112120210102 its reverse (2010120212112), we get a palindrome (4122240422214).

The spelling of 2112120210102 in words is "two trillion, one hundred twelve billion, one hundred twenty million, two hundred ten thousand, one hundred two".