100000010111101 has 2 divisors, whose sum is σ = 100000010111102. Its totient is φ = 100000010111100.

The previous prime is 100000010111039. The next prime is 100000010111191. The reversal of 100000010111101 is 101111010000001.

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., 98242768239001 + 1757241872100 = 9911749^2 + 1325610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100000010111101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000010111191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000005055550 + 50000005055551.

It is an arithmetic number, because the mean of its divisors is an integer number (50000005055551).

Almost surely, 2^{100000010111101} is an apocalyptic number.

It is an amenable number.

100000010111101 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000010111101 is an equidigital number, since it uses as much as digits as its factorization.

100000010111101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 100000010111101 its reverse (101111010000001), we get a palindrome (201111020111102).

The spelling of 100000010111101 in words is "one hundred trillion, ten million, one hundred eleven thousand, one hundred one".