120106222161 has 16 divisors (see below), whose sum is σ = 161365338624. Its totient is φ = 79459357824.

The previous prime is 120106222129. The next prime is 120106222177. The reversal of 120106222161 is 161222601021.

It is not a de Polignac number, because 120106222161 - 2⁵ = 120106222129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120106222661) 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, 1200096 + ... + 1296318.

It is an arithmetic number, because the mean of its divisors is an integer number (10085333664).

Almost surely, 2^120106222161 is an apocalyptic number.

It is an amenable number.

120106222161 is a deficient number, since it is larger than the sum of its proper divisors (41259116463).

120106222161 is a wasteful number, since it uses less digits than its factorization.

120106222161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99400.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 120106222161 its reverse (161222601021), we get a palindrome (281328823182).

The spelling of 120106222161 in words is "one hundred twenty billion, one hundred six million, two hundred twenty-two thousand, one hundred sixty-one".