2123222141 has 2 divisors, whose sum is σ = 2123222142. Its totient is φ = 2123222140.

The previous prime is 2123222093. The next prime is 2123222197. The reversal of 2123222141 is 1412223212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2092696516 + 30525625 = 45746^2 + 5525^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123222141 - 2⁶ = 2123222077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123422141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061611070 + 1061611071.

It is an arithmetic number, because the mean of its divisors is an integer number (1061611071).

Almost surely, 2^2123222141 is an apocalyptic number.

It is an amenable number.

2123222141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123222141 is an equidigital number, since it uses as much as digits as its factorization.

2123222141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 2123222141 is about 46078.4346630829. The cubic root of 2123222141 is about 1285.2821559899.

Adding to 2123222141 its reverse (1412223212), we get a palindrome (3535445353).

The spelling of 2123222141 in words is "two billion, one hundred twenty-three million, two hundred twenty-two thousand, one hundred forty-one".