101110861025 has 6 divisors (see below), whose sum is σ = 125377467702. Its totient is φ = 80888688800.

The previous prime is 101110861003. The next prime is 101110861031. The reversal of 101110861025 is 520168011101.

It can be written as a sum of positive squares in 3 ways, for example, as 14648987089 + 86461873936 = 121033^2 + 294044^2 .

It is a de Polignac number, because none of the positive numbers 2^k-101110861025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101110860985 and 101110861003.

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 5 ways as a sum of consecutive naturals, for example, 2022217196 + ... + 2022217245.

It is an arithmetic number, because the mean of its divisors is an integer number (20896244617).

Almost surely, 2^101110861025 is an apocalyptic number.

It is an amenable number.

101110861025 is a deficient number, since it is larger than the sum of its proper divisors (24266606677).

101110861025 is an equidigital number, since it uses as much as digits as its factorization.

101110861025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044434451 (or 4044434446 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 26.

Adding to 101110861025 its reverse (520168011101), we get a palindrome (621278872126).

The spelling of 101110861025 in words is "one hundred one billion, one hundred ten million, eight hundred sixty-one thousand, twenty-five".