100100500105090 has 16 divisors (see below), whose sum is σ = 180312707748672. Its totient is φ = 40010909473264.

The previous prime is 100100500105063. The next prime is 100100500105121. The reversal of 100100500105090 is 90501005001001.

It is a super-2 number, since 2×100100500105090² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3661306744 + ... + 3661334083.

It is an arithmetic number, because the mean of its divisors is an integer number (11269544234292).

Almost surely, 2^{100100500105090} is an apocalyptic number.

100100500105090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100100500105090 is a deficient number, since it is larger than the sum of its proper divisors (80212207643582).

100100500105090 is a wasteful number, since it uses less digits than its factorization.

100100500105090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7322642201.

The product of its (nonzero) digits is 225, while the sum is 22.

Adding to 100100500105090 its reverse (90501005001001), we get a palindrome (190601505106091).

The spelling of 100100500105090 in words is "one hundred trillion, one hundred billion, five hundred million, one hundred five thousand, ninety".