1122111011012 has 12 divisors (see below), whose sum is σ = 1964742704316. Its totient is φ = 560755952640.

The previous prime is 1122111010987. The next prime is 1122111011017. The reversal of 1122111011012 is 2101101112211.

It can be written as a sum of positive squares in 2 ways, for example, as 533416965316 + 588694045696 = 730354^2 + 767264^2 .

It is not an unprimeable number, because it can be changed into a prime (1122111011017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74879789 + ... + 74894772.

It is an arithmetic number, because the mean of its divisors is an integer number (163728558693).

Almost surely, 2^{1122111011012} is an apocalyptic number.

It is an amenable number.

1122111011012 is a deficient number, since it is larger than the sum of its proper divisors (842631693304).

1122111011012 is a wasteful number, since it uses less digits than its factorization.

1122111011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149776438 (or 149776436 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1122111011012 its reverse (2101101112211), we get a palindrome (3223212123223).

The spelling of 1122111011012 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, eleven thousand, twelve".