1122111001012 has 6 divisors (see below), whose sum is σ = 1963694251778. Its totient is φ = 561055500504.

The previous prime is 1122111001001. The next prime is 1122111001043. The reversal of 1122111001012 is 2101001112211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1085918221476 + 36192779536 = 1042074^2 + 190244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1122111000983 and 1122111001001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140263875123 + ... + 140263875130.

Almost surely, 2^{1122111001012} is an apocalyptic number.

It is an amenable number.

1122111001012 is a deficient number, since it is larger than the sum of its proper divisors (841583250766).

1122111001012 is a wasteful number, since it uses less digits than its factorization.

1122111001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280527750257 (or 280527750255 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1122111001012 its reverse (2101001112211), we get a palindrome (3223112113223).

The spelling of 1122111001012 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, one thousand, twelve".