101250111055 has 4 divisors (see below), whose sum is σ = 121500133272. Its totient is φ = 81000088840.

The previous prime is 101250111049. The next prime is 101250111071. The reversal of 101250111055 is 550111052101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 101250111055 - 2⁹ = 101250110543 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10125011101 + ... + 10125011110.

It is an arithmetic number, because the mean of its divisors is an integer number (30375033318).

Almost surely, 2^101250111055 is an apocalyptic number.

101250111055 is a deficient number, since it is larger than the sum of its proper divisors (20250022217).

101250111055 is an equidigital number, since it uses as much as digits as its factorization.

101250111055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20250022216.

The product of its (nonzero) digits is 250, while the sum is 22.

Adding to 101250111055 its reverse (550111052101), we get a palindrome (651361163156).

The spelling of 101250111055 in words is "one hundred one billion, two hundred fifty million, one hundred eleven thousand, fifty-five".