100555551100101 has 16 divisors (see below), whose sum is σ = 141975670221504. Its totient is φ = 63087060367104.

The previous prime is 100555551100087. The next prime is 100555551100117. The reversal of 100555551100101 is 101001155555001.

It is a happy number.

It is not a de Polignac number, because 100555551100101 - 2⁹ = 100555551099589 is a prime.

It is a super-2 number, since 2×100555551100101² (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 (100555551100181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102927091 + ... + 103899456.

It is an arithmetic number, because the mean of its divisors is an integer number (8873479388844).

Almost surely, 2^{100555551100101} is an apocalyptic number.

It is an amenable number.

100555551100101 is a deficient number, since it is larger than the sum of its proper divisors (41420119121403).

100555551100101 is a wasteful number, since it uses less digits than its factorization.

100555551100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206836100.

The product of its (nonzero) digits is 3125, while the sum is 30.

The spelling of 100555551100101 in words is "one hundred trillion, five hundred fifty-five billion, five hundred fifty-one million, one hundred thousand, one hundred one".