100111066161 has 16 divisors (see below), whose sum is σ = 141147944448. Its totient is φ = 63012470400.

The previous prime is 100111066103. The next prime is 100111066169. The reversal of 100111066161 is 161660111001.

It is not a de Polignac number, because 100111066161 - 2¹⁰ = 100111065137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100111066169) 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, 13123786 + ... + 13131411.

It is an arithmetic number, because the mean of its divisors is an integer number (8821746528).

Almost surely, 2^100111066161 is an apocalyptic number.

It is an amenable number.

100111066161 is a deficient number, since it is larger than the sum of its proper divisors (41036878287).

100111066161 is a wasteful number, since it uses less digits than its factorization.

100111066161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26255272.

The product of its (nonzero) digits is 216, while the sum is 24.

Adding to 100111066161 its reverse (161660111001), we get a palindrome (261771177162).

The spelling of 100111066161 in words is "one hundred billion, one hundred eleven million, sixty-six thousand, one hundred sixty-one".