118100101001 has 2 divisors, whose sum is σ = 118100101002. Its totient is φ = 118100101000.

The previous prime is 118100100997. The next prime is 118100101013. The reversal of 118100101001 is 100101001811.

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., 68813880976 + 49286220025 = 262324^2 + 222005^2 .

It is an emirp because it is prime and its reverse (100101001811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118100101001 - 2² = 118100100997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (118100101501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59050050500 + 59050050501.

It is an arithmetic number, because the mean of its divisors is an integer number (59050050501).

Almost surely, 2^118100101001 is an apocalyptic number.

It is an amenable number.

118100101001 is a deficient number, since it is larger than the sum of its proper divisors (1).

118100101001 is an equidigital number, since it uses as much as digits as its factorization.

118100101001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 118100101001 its reverse (100101001811), we get a palindrome (218201102812).

The spelling of 118100101001 in words is "one hundred eighteen billion, one hundred million, one hundred one thousand, one".