104242220042 has 4 divisors (see below), whose sum is σ = 156363330066. Its totient is φ = 52121110020.

The previous prime is 104242220023. The next prime is 104242220101. The reversal of 104242220042 is 240022242401.

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., 102407040121 + 1835179921 = 320011^2 + 42839^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26060555009 + ... + 26060555012.

Almost surely, 2^104242220042 is an apocalyptic number.

104242220042 is a deficient number, since it is larger than the sum of its proper divisors (52121110024).

104242220042 is an equidigital number, since it uses as much as digits as its factorization.

104242220042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52121110023.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 104242220042 its reverse (240022242401), we get a palindrome (344264462443).

The spelling of 104242220042 in words is "one hundred four billion, two hundred forty-two million, two hundred twenty thousand, forty-two".