100101100099878 has 24 divisors (see below), whose sum is σ = 216889752037608. Its totient is φ = 33366412573632.

The previous prime is 100101100099877. The next prime is 100101100099939. The reversal of 100101100099878 is 878990001101001.

It is a super-2 number, since 2×100101100099878² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101100099877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50737876 + ... + 52673847.

It is an arithmetic number, because the mean of its divisors is an integer number (9037073001567).

Almost surely, 2^{100101100099878} is an apocalyptic number.

100101100099878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

100101100099878 is an abundant number, since it is smaller than the sum of its proper divisors (116788651937730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100101100099878 is a wasteful number, since it uses less digits than its factorization.

100101100099878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103465508 (or 103465505 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 45.

The spelling of 100101100099878 in words is "one hundred trillion, one hundred one billion, one hundred million, ninety-nine thousand, eight hundred seventy-eight".