101011157 has 4 divisors (see below), whose sum is σ = 108781260. Its totient is φ = 93241056.

The previous prime is 101011153. The next prime is 101011177. The reversal of 101011157 is 751110101.

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 2 ways, for example, as 34000561 + 67010596 = 5831^2 + 8186^2 .

It is a cyclic number.

It is not a de Polignac number, because 101011157 - 2² = 101011153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3885032 + ... + 3885057.

It is an arithmetic number, because the mean of its divisors is an integer number (27195315).

Almost surely, 2^101011157 is an apocalyptic number.

It is an amenable number.

101011157 is a deficient number, since it is larger than the sum of its proper divisors (7770103).

101011157 is an equidigital number, since it uses as much as digits as its factorization.

101011157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770102.

The product of its (nonzero) digits is 35, while the sum is 17.

The square root of 101011157 is about 10050.4306872890. The cubic root of 101011157 is about 465.7180980880.

Adding to 101011157 its reverse (751110101), we get a palindrome (852121258).

It can be divided in two parts, 1010 and 11157, that added together give a cube (12167 = 23³).

The spelling of 101011157 in words is "one hundred one million, eleven thousand, one hundred fifty-seven".