1121122002112 has 56 divisors (see below), whose sum is σ = 2543768445600. Its totient is φ = 480249569280.

The previous prime is 1121122002067. The next prime is 1121122002113. The reversal of 1121122002112 is 2112002211211.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1121122002113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331014 + ... + 1533562.

Almost surely, 2^{1121122002112} is an apocalyptic number.

It is an amenable number.

1121122002112 is an abundant number, since it is smaller than the sum of its proper divisors (1422646443488).

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

1121122002112 is a wasteful number, since it uses less digits than its factorization.

1121122002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204649 (or 1204639 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121122002112 its reverse (2112002211211), we get a palindrome (3233124213323).

The spelling of 1121122002112 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two thousand, one hundred twelve".