1121002122012 has 24 divisors (see below), whose sum is σ = 2615777584896. Its totient is φ = 373652235888.

The previous prime is 1121002122001. The next prime is 1121002122047. The reversal of 1121002122012 is 2102212001211.

It is a junction number, because it is equal to n+sod(n) for n = 1121002121982 and 1121002122000.

It is a congruent number.

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, 1581678 + ... + 2178005.

It is an arithmetic number, because the mean of its divisors is an integer number (108990732704).

Almost surely, 2^{1121002122012} is an apocalyptic number.

1121002122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121002122012 is an abundant number, since it is smaller than the sum of its proper divisors (1494775462884).

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

1121002122012 is a wasteful number, since it uses less digits than its factorization.

1121002122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784537 (or 3784535 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1121002122012 its reverse (2102212001211), we get a palindrome (3223214123223).

The spelling of 1121002122012 in words is "one trillion, one hundred twenty-one billion, two million, one hundred twenty-two thousand, twelve".