2121150067 has 2 divisors, whose sum is σ = 2121150068. Its totient is φ = 2121150066.

The previous prime is 2121150043. The next prime is 2121150089. The reversal of 2121150067 is 7600511212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121150067 - 2⁷ = 2121149939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121150167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060575033 + 1060575034.

It is an arithmetic number, because the mean of its divisors is an integer number (1060575034).

Almost surely, 2^2121150067 is an apocalyptic number.

2121150067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121150067 is an equidigital number, since it uses as much as digits as its factorization.

2121150067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 2121150067 is about 46055.9449691351. The cubic root of 2121150067 is about 1284.8639132784.

Adding to 2121150067 its reverse (7600511212), we get a palindrome (9721661279).

The spelling of 2121150067 in words is "two billion, one hundred twenty-one million, one hundred fifty thousand, sixty-seven".