148211111 has 2 divisors, whose sum is σ = 148211112. Its totient is φ = 148211110.

The previous prime is 148211101. The next prime is 148211143. The reversal of 148211111 is 111112841.

148211111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148211111 - 2⁶ = 148211047 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

148211111 is a modest number, since divided by 11111 gives 1482 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148211101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74105555 + 74105556.

It is an arithmetic number, because the mean of its divisors is an integer number (74105556).

Almost surely, 2^148211111 is an apocalyptic number.

148211111 is a deficient number, since it is larger than the sum of its proper divisors (1).

148211111 is an equidigital number, since it uses as much as digits as its factorization.

148211111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64, while the sum is 20.

The square root of 148211111 is about 12174.1985773192. The cubic root of 148211111 is about 529.2086338455.

Adding to 148211111 its reverse (111112841), we get a palindrome (259323952).

The spelling of 148211111 in words is "one hundred forty-eight million, two hundred eleven thousand, one hundred eleven".