1122011121112 has 32 divisors (see below), whose sum is σ = 2406623731200. Its totient is φ = 480399071904.

The previous prime is 1122011121107. The next prime is 1122011121113. The reversal of 1122011121112 is 2111211102211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122011121113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9583738 + ... + 9700105.

It is an arithmetic number, because the mean of its divisors is an integer number (75206991600).

Almost surely, 2^{1122011121112} is an apocalyptic number.

It is an amenable number.

1122011121112 is an abundant number, since it is smaller than the sum of its proper divisors (1284612610088).

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

1122011121112 is a wasteful number, since it uses less digits than its factorization.

1122011121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19284895 (or 19284891 counting only the distinct ones).

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

Adding to 1122011121112 its reverse (2111211102211), we get a palindrome (3233222223323).

The spelling of 1122011121112 in words is "one trillion, one hundred twenty-two billion, eleven million, one hundred twenty-one thousand, one hundred twelve".