1011165122 has 8 divisors (see below), whose sum is σ = 1654633872. Its totient is φ = 459620500.

The previous prime is 1011165109. The next prime is 1011165131. The reversal of 1011165122 is 2215611101.

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

It is a junction number, because it is equal to n+sod(n) for n = 1011165094 and 1011165103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22981004 + ... + 22981047.

It is an arithmetic number, because the mean of its divisors is an integer number (206829234).

Almost surely, 2^1011165122 is an apocalyptic number.

1011165122 is a deficient number, since it is larger than the sum of its proper divisors (643468750).

1011165122 is a wasteful number, since it uses less digits than its factorization.

1011165122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45962064.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 1011165122 is about 31798.8226511612. The cubic root of 1011165122 is about 1003.7079415098.

Adding to 1011165122 its reverse (2215611101), we get a palindrome (3226776223).

The spelling of 1011165122 in words is "one billion, eleven million, one hundred sixty-five thousand, one hundred twenty-two".