1005161122122 has 8 divisors (see below), whose sum is σ = 2010322244256. Its totient is φ = 335053707372.

The previous prime is 1005161122117. The next prime is 1005161122129. The reversal of 1005161122122 is 2212211615001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1005161122122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1005161122092 and 1005161122101.

It is not an unprimeable number, because it can be changed into a prime (1005161122129) 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, 83763426838 + ... + 83763426849.

It is an arithmetic number, because the mean of its divisors is an integer number (251290280532).

Almost surely, 2^{1005161122122} is an apocalyptic number.

1005161122122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005161122122 is a wasteful number, since it uses less digits than its factorization.

1005161122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167526853692.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 1005161122122 its reverse (2212211615001), we get a palindrome (3217372737123).

The spelling of 1005161122122 in words is "one trillion, five billion, one hundred sixty-one million, one hundred twenty-two thousand, one hundred twenty-two".