100311122242 has 4 divisors (see below), whose sum is σ = 150466683366. Its totient is φ = 50155561120.

The previous prime is 100311122237. The next prime is 100311122291. The reversal of 100311122242 is 242221113001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 100234926801 + 76195441 = 316599^2 + 8729^2 .

It is a super-3 number, since 3×100311122242³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25077780559 + ... + 25077780562.

Almost surely, 2^100311122242 is an apocalyptic number.

100311122242 is a deficient number, since it is larger than the sum of its proper divisors (50155561124).

100311122242 is an equidigital number, since it uses as much as digits as its factorization.

100311122242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50155561123.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 100311122242 its reverse (242221113001), we get a palindrome (342532235243).

The spelling of 100311122242 in words is "one hundred billion, three hundred eleven million, one hundred twenty-two thousand, two hundred forty-two".