80100101 has 8 divisors (see below), whose sum is σ = 82180224. Its totient is φ = 78026080.

The previous prime is 80100091. The next prime is 80100127. The reversal of 80100101 is 10100108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80100101 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 (80100131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37796 + ... + 39858.

It is an arithmetic number, because the mean of its divisors is an integer number (10272528).

Almost surely, 2^80100101 is an apocalyptic number.

It is an amenable number.

80100101 is a deficient number, since it is larger than the sum of its proper divisors (2080123).

80100101 is a wasteful number, since it uses less digits than its factorization.

80100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 80100101 is about 8949.8659766502. The cubic root of 80100101 is about 431.0665806562.

Adding to 80100101 its reverse (10100108), we get a palindrome (90200209).

The spelling of 80100101 in words is "eighty million, one hundred thousand, one hundred one".