201142099 has 2 divisors, whose sum is σ = 201142100. Its totient is φ = 201142098.

The previous prime is 201142087. The next prime is 201142127. The reversal of 201142099 is 990241102.

It is a happy number.

It is an a-pointer prime, because the next prime (201142127) can be obtained adding 201142099 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201142099 is a prime.

It is not a weakly prime, because it can be changed into another prime (201142009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100571049 + 100571050.

It is an arithmetic number, because the mean of its divisors is an integer number (100571050).

Almost surely, 2^201142099 is an apocalyptic number.

201142099 is a deficient number, since it is larger than the sum of its proper divisors (1).

201142099 is an equidigital number, since it uses as much as digits as its factorization.

201142099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 201142099 is about 14182.4574386811. The cubic root of 201142099 is about 585.9146079955.

The spelling of 201142099 in words is "two hundred one million, one hundred forty-two thousand, ninety-nine".