101230221242 has 16 divisors (see below), whose sum is σ = 153245817000. Its totient is φ = 50149977600.

The previous prime is 101230221233. The next prime is 101230221263. The reversal of 101230221242 is 242122032101.

It can be written as a sum of positive squares in 4 ways, for example, as 100312191841 + 918029401 = 316721^2 + 30299^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304067 + ... + 543062.

Almost surely, 2^101230221242 is an apocalyptic number.

101230221242 is a deficient number, since it is larger than the sum of its proper divisors (52015595758).

101230221242 is a wasteful number, since it uses less digits than its factorization.

101230221242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847681.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101230221242 its reverse (242122032101), we get a palindrome (343352253343).

The spelling of 101230221242 in words is "one hundred one billion, two hundred thirty million, two hundred twenty-one thousand, two hundred forty-two".