101051501242 has 8 divisors (see below), whose sum is σ = 155274258132. Its totient is φ = 49293415200.

The previous prime is 101051501219. The next prime is 101051501279. The reversal of 101051501242 is 242105150101.

It can be written as a sum of positive squares in 2 ways, for example, as 100608861721 + 442639521 = 317189^2 + 21039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101051501242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 616167609 + ... + 616167772.

Almost surely, 2^101051501242 is an apocalyptic number.

101051501242 is a deficient number, since it is larger than the sum of its proper divisors (54222756890).

101051501242 is a wasteful number, since it uses less digits than its factorization.

101051501242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232335424.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 101051501242 its reverse (242105150101), we get a palindrome (343156651343).

The spelling of 101051501242 in words is "one hundred one billion, fifty-one million, five hundred one thousand, two hundred forty-two".