1001120211122 has 16 divisors (see below), whose sum is σ = 1519826337720. Its totient is φ = 494520863232.

The previous prime is 1001120211109. The next prime is 1001120211149. The reversal of 1001120211122 is 2211120211001.

It can be written as a sum of positive squares in 4 ways, for example, as 910495731601 + 90624479521 = 954199^2 + 301039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1001120211097 and 1001120211106.

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, 2144843 + ... + 2569550.

Almost surely, 2^{1001120211122} is an apocalyptic number.

1001120211122 is a deficient number, since it is larger than the sum of its proper divisors (518706126598).

1001120211122 is a wasteful number, since it uses less digits than its factorization.

1001120211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715677.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1001120211122 its reverse (2211120211001), we get a palindrome (3212240422123).

The spelling of 1001120211122 in words is "one trillion, one billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-two".