2121412141 has 2 divisors, whose sum is σ = 2121412142. Its totient is φ = 2121412140.

The previous prime is 2121412121. The next prime is 2121412169. The reversal of 2121412141 is 1412141212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1660236516 + 461175625 = 40746^2 + 21475^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121412141 - 2⁹ = 2121411629 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121412121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060706070 + 1060706071.

It is an arithmetic number, because the mean of its divisors is an integer number (1060706071).

Almost surely, 2^2121412141 is an apocalyptic number.

It is an amenable number.

2121412141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121412141 is an equidigital number, since it uses as much as digits as its factorization.

2121412141 is an evil number, because the sum of its binary digits is even.

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

The square root of 2121412141 is about 46058.7900514115. The cubic root of 2121412141 is about 1284.9168272712.

Adding to 2121412141 its reverse (1412141212), we get a palindrome (3533553353).

The spelling of 2121412141 in words is "two billion, one hundred twenty-one million, four hundred twelve thousand, one hundred forty-one".