101244042002 has 8 divisors (see below), whose sum is σ = 151877289276. Its totient is φ = 50618278912.

The previous prime is 101244042001. The next prime is 101244042019. The reversal of 101244042002 is 200240442101.

It can be written as a sum of positive squares in 2 ways, for example, as 100070362921 + 1173679081 = 316339^2 + 34259^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101244042001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837103 + ... + 1891410.

Almost surely, 2^101244042002 is an apocalyptic number.

101244042002 is a deficient number, since it is larger than the sum of its proper divisors (50633247274).

101244042002 is a wasteful number, since it uses less digits than its factorization.

101244042002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742092.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 101244042002 its reverse (200240442101), we get a palindrome (301484484103).

The spelling of 101244042002 in words is "one hundred one billion, two hundred forty-four million, forty-two thousand, two".