100018191002 has 16 divisors (see below), whose sum is σ = 155540289960. Its totient is φ = 48178975488.

The previous prime is 100018190989. The next prime is 100018191059. The reversal of 100018191002 is 200191810001.

It can be written as a sum of positive squares in 4 ways, for example, as 91402824241 + 8615366761 = 302329^2 + 92819^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1860203 + ... + 1913214.

Almost surely, 2^100018191002 is an apocalyptic number.

100018191002 is a deficient number, since it is larger than the sum of its proper divisors (55522098958).

100018191002 is a wasteful number, since it uses less digits than its factorization.

100018191002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773905.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 100018191002 in words is "one hundred billion, eighteen million, one hundred ninety-one thousand, two".