100244123161 has 16 divisors (see below), whose sum is σ = 123732975744. Its totient is φ = 79085435904.

The previous prime is 100244123153. The next prime is 100244123167. The reversal of 100244123161 is 161321442001.

It is a cyclic number.

It is not a de Polignac number, because 100244123161 - 2³ = 100244123153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100244123167) 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, 1555720 + ... + 1618873.

It is an arithmetic number, because the mean of its divisors is an integer number (7733310984).

Almost surely, 2^100244123161 is an apocalyptic number.

It is an amenable number.

100244123161 is a deficient number, since it is larger than the sum of its proper divisors (23488852583).

100244123161 is a wasteful number, since it uses less digits than its factorization.

100244123161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174960.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 100244123161 its reverse (161321442001), we get a palindrome (261565565162).

The spelling of 100244123161 in words is "one hundred billion, two hundred forty-four million, one hundred twenty-three thousand, one hundred sixty-one".