1121121012122 has 16 divisors (see below), whose sum is σ = 1685320393632. Its totient is φ = 559348819920.

The previous prime is 1121121012119. The next prime is 1121121012131. The reversal of 1121121012122 is 2212101211211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121121012122.

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, 1450472 + ... + 2084732.

It is an arithmetic number, because the mean of its divisors is an integer number (105332524602).

Almost surely, 2^{1121121012122} is an apocalyptic number.

1121121012122 is a deficient number, since it is larger than the sum of its proper divisors (564199381510).

1121121012122 is a wasteful number, since it uses less digits than its factorization.

1121121012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636173.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1121121012122 its reverse (2212101211211), we get a palindrome (3333222223333).

The spelling of 1121121012122 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, twelve thousand, one hundred twenty-two".