2141123213 has 2 divisors, whose sum is σ = 2141123214. Its totient is φ = 2141123212.

The previous prime is 2141123183. The next prime is 2141123249. The reversal of 2141123213 is 3123211412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1934856169 + 206267044 = 43987^2 + 14362^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141123213 - 2⁸ = 2141122957 is a prime.

It is a super-2 number, since 2×2141123213² = 9168817226494886738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141123513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070561606 + 1070561607.

It is an arithmetic number, because the mean of its divisors is an integer number (1070561607).

Almost surely, 2^2141123213 is an apocalyptic number.

It is an amenable number.

2141123213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141123213 is an equidigital number, since it uses as much as digits as its factorization.

2141123213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 2141123213 is about 46272.2726154659. The cubic root of 2141123213 is about 1288.8841607803.

Adding to 2141123213 its reverse (3123211412), we get a palindrome (5264334625).

The spelling of 2141123213 in words is "two billion, one hundred forty-one million, one hundred twenty-three thousand, two hundred thirteen".