100100021005611 has 16 divisors (see below), whose sum is σ = 161777811726720. Its totient is φ = 60666679397160.

The previous prime is 100100021005603. The next prime is 100100021005657. The reversal of 100100021005611 is 116500120001001.

It is a happy number.

100100021005611 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 0 + 0 + 0 + 2 + 100 + 561 + 1 = 666.

It is not a de Polignac number, because 100100021005611 - 2³ = 100100021005603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100100021005681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168518553585 + ... + 168518554178.

It is an arithmetic number, because the mean of its divisors is an integer number (10111113232920).

Almost surely, 2^{100100021005611} is an apocalyptic number.

100100021005611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100100021005611 is a deficient number, since it is larger than the sum of its proper divisors (61677790721109).

100100021005611 is a wasteful number, since it uses less digits than its factorization.

100100021005611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337037107783 (or 337037107777 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 100100021005611 its reverse (116500120001001), we get a palindrome (216600141006612).

The spelling of 100100021005611 in words is "one hundred trillion, one hundred billion, twenty-one million, five thousand, six hundred eleven".