1000001120122 has 16 divisors (see below), whose sum is σ = 1512530278632. Its totient is φ = 495840706560.

The previous prime is 1000001120059. The next prime is 1000001120191. The reversal of 1000001120122 is 2210211000001.

It can be written as a sum of positive squares in 4 ways, for example, as 360815261041 + 639185859081 = 600679^2 + 799491^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1000001120099 and 1000001120108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3963879 + ... + 4208602.

Almost surely, 2^{1000001120122} is an apocalyptic number.

1000001120122 is a deficient number, since it is larger than the sum of its proper divisors (512529158510).

1000001120122 is a wasteful number, since it uses less digits than its factorization.

1000001120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8172993.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000001120122 its reverse (2210211000001), we get a palindrome (3210212120123).

The spelling of 1000001120122 in words is "one trillion, one million, one hundred twenty thousand, one hundred twenty-two".