6201100081 has 24 divisors (see below), whose sum is σ = 7530872832. Its totient is φ = 5075030400.

The previous prime is 6201100051. The next prime is 6201100123. The reversal of 6201100081 is 1800011026.

It is not a de Polignac number, because 6201100081 - 2⁵ = 6201100049 is a prime.

It is a super-2 number, since 2×6201100081² = 76907284429156413122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6201100021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18225 + ... + 112846.

It is an arithmetic number, because the mean of its divisors is an integer number (313786368).

Almost surely, 2^6201100081 is an apocalyptic number.

It is an amenable number.

6201100081 is a deficient number, since it is larger than the sum of its proper divisors (1329772751).

6201100081 is a wasteful number, since it uses less digits than its factorization.

6201100081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131133 (or 131122 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 6201100081 is about 78747.0639516166. The cubic root of 6201100081 is about 1837.1991967290.

The spelling of 6201100081 in words is "six billion, two hundred one million, one hundred thousand, eighty-one".