1200011110122 has 64 divisors (see below), whose sum is σ = 2734544448000. Its totient is φ = 347814780480.

The previous prime is 1200011110097. The next prime is 1200011110163. The reversal of 1200011110122 is 2210111100021.

It is a junction number, because it is equal to n+sod(n) for n = 1200011110098 and 1200011110107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4020372 + ... + 4308527.

It is an arithmetic number, because the mean of its divisors is an integer number (42727257000).

Almost surely, 2^{1200011110122} is an apocalyptic number.

1200011110122 is an abundant number, since it is smaller than the sum of its proper divisors (1534533337878).

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

1200011110122 is a wasteful number, since it uses less digits than its factorization.

1200011110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329011.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1200011110122 its reverse (2210111100021), we get a palindrome (3410122210143).

The spelling of 1200011110122 in words is "one trillion, two hundred billion, eleven million, one hundred ten thousand, one hundred twenty-two".