100214242 has 4 divisors (see below), whose sum is σ = 150321366. Its totient is φ = 50107120.

The previous prime is 100214237. The next prime is 100214249. The reversal of 100214242 is 242412001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242412001 = 13 ⋅18647077.

It can be written as a sum of positive squares in only one way, i.e., 56535361 + 43678881 = 7519^2 + 6609^2 .

It is not an unprimeable number, because it can be changed into a prime (100214249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25053559 + ... + 25053562.

Almost surely, 2^100214242 is an apocalyptic number.

100214242 is a deficient number, since it is larger than the sum of its proper divisors (50107124).

100214242 is an equidigital number, since it uses as much as digits as its factorization.

100214242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50107123.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 100214242 is about 10010.7063686835. The cubic root of 100214242 is about 464.4901213484.

Adding to 100214242 its reverse (242412001), we get a palindrome (342626243).

The spelling of 100214242 in words is "one hundred million, two hundred fourteen thousand, two hundred forty-two".