1100101157 has 2 divisors, whose sum is σ = 1100101158. Its totient is φ = 1100101156.

The previous prime is 1100101151. The next prime is 1100101187. The reversal of 1100101157 is 7511010011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 872966116 + 227135041 = 29546^2 + 15071^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100101157 - 2²⁶ = 1032992293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100101151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550050578 + 550050579.

It is an arithmetic number, because the mean of its divisors is an integer number (550050579).

Almost surely, 2^1100101157 is an apocalyptic number.

It is an amenable number.

1100101157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100101157 is an equidigital number, since it uses as much as digits as its factorization.

1100101157 is an evil number, because the sum of its binary digits is even.

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

The square root of 1100101157 is about 33167.7728676497. The cubic root of 1100101157 is about 1032.3117576257.

Adding to 1100101157 its reverse (7511010011), we get a palindrome (8611111168).

The spelling of 1100101157 in words is "one billion, one hundred million, one hundred one thousand, one hundred fifty-seven".