100420446091 has 24 divisors (see below), whose sum is σ = 118209112560. Its totient is φ = 85049217792.

The previous prime is 100420446059. The next prime is 100420446097. The reversal of 100420446091 is 190644024001.

It is not a de Polignac number, because 100420446091 - 2⁵ = 100420446059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100420446097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7088271 + ... + 7102423.

It is an arithmetic number, because the mean of its divisors is an integer number (4925379690).

Almost surely, 2^100420446091 is an apocalyptic number.

100420446091 is a deficient number, since it is larger than the sum of its proper divisors (17788666469).

100420446091 is a wasteful number, since it uses less digits than its factorization.

100420446091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15883 (or 15876 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 100420446091 in words is "one hundred billion, four hundred twenty million, four hundred forty-six thousand, ninety-one".