242099101 has 2 divisors, whose sum is σ = 242099102. Its totient is φ = 242099100.

The previous prime is 242099093. The next prime is 242099107. The reversal of 242099101 is 101990242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205205625 + 36893476 = 14325^2 + 6074^2 .

It is a cyclic number.

It is not a de Polignac number, because 242099101 - 2³ = 242099093 is a prime.

It is a super-2 number, since 2×242099101² = 117223949410016402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242099101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242099107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121049550 + 121049551.

It is an arithmetic number, because the mean of its divisors is an integer number (121049551).

Almost surely, 2^242099101 is an apocalyptic number.

It is an amenable number.

242099101 is a deficient number, since it is larger than the sum of its proper divisors (1).

242099101 is an equidigital number, since it uses as much as digits as its factorization.

242099101 is an evil number, because the sum of its binary digits is even.

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

The square root of 242099101 is about 15559.5340868549. The cubic root of 242099101 is about 623.2530209725.

The spelling of 242099101 in words is "two hundred forty-two million, ninety-nine thousand, one hundred one".