101230654898 has 4 divisors (see below), whose sum is σ = 151845982350. Its totient is φ = 50615327448.

The previous prime is 101230654891. The next prime is 101230654937. The reversal of 101230654898 is 898456032101.

It is a happy number.

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., 71645622889 + 29585032009 = 267667^2 + 172003^2 .

It is not an unprimeable number, because it can be changed into a prime (101230654891) by changing a digit.

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 as a sum of consecutive naturals, namely, 25307663723 + ... + 25307663726.

Almost surely, 2^101230654898 is an apocalyptic number.

101230654898 is a deficient number, since it is larger than the sum of its proper divisors (50615327452).

101230654898 is an equidigital number, since it uses as much as digits as its factorization.

101230654898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50615327451.

The product of its (nonzero) digits is 414720, while the sum is 47.

Adding to 101230654898 its reverse (898456032101), we get a palindrome (999686686999).

The spelling of 101230654898 in words is "one hundred one billion, two hundred thirty million, six hundred fifty-four thousand, eight hundred ninety-eight".