2102102212141 has 4 divisors (see below), whose sum is σ = 2102573857212. Its totient is φ = 2101630567072.

The previous prime is 2102102212139. The next prime is 2102102212193. The reversal of 2102102212141 is 1412122012012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1691419898116 + 410682314025 = 1300546^2 + 640845^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102102212141 - 2¹ = 2102102212139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102102212121) 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, 235815850 + ... + 235824763.

It is an arithmetic number, because the mean of its divisors is an integer number (525643464303).

Almost surely, 2^{2102102212141} is an apocalyptic number.

It is an amenable number.

2102102212141 is a deficient number, since it is larger than the sum of its proper divisors (471645071).

2102102212141 is an equidigital number, since it uses as much as digits as its factorization.

2102102212141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471645070.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2102102212141 its reverse (1412122012012), we get a palindrome (3514224224153).

The spelling of 2102102212141 in words is "two trillion, one hundred two billion, one hundred two million, two hundred twelve thousand, one hundred forty-one".