110231602161 has 4 divisors (see below), whose sum is σ = 146975469552. Its totient is φ = 73487734772.

The previous prime is 110231602067. The next prime is 110231602189. The reversal of 110231602161 is 161206132011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110231602161 - 2¹¹ = 110231600113 is a prime.

It is a super-2 number, since 2×110231602161² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (110231602661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18371933691 + ... + 18371933696.

It is an arithmetic number, because the mean of its divisors is an integer number (36743867388).

Almost surely, 2^110231602161 is an apocalyptic number.

It is an amenable number.

110231602161 is a deficient number, since it is larger than the sum of its proper divisors (36743867391).

110231602161 is an equidigital number, since it uses as much as digits as its factorization.

110231602161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36743867390.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 110231602161 its reverse (161206132011), we get a palindrome (271437734172).

The spelling of 110231602161 in words is "one hundred ten billion, two hundred thirty-one million, six hundred two thousand, one hundred sixty-one".