1121202212112 has 40 divisors (see below), whose sum is σ = 3218265610080. Its totient is φ = 373734070560.

The previous prime is 1121202212051. The next prime is 1121202212147. The reversal of 1121202212112 is 2112122021211.

1121202212112 is a `hidden beast` number, since 112 + 120 + 221 + 211 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1297687314 + ... + 1297688177.

It is an arithmetic number, because the mean of its divisors is an integer number (80456640252).

Almost surely, 2^{1121202212112} is an apocalyptic number.

1121202212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121202212112 is an abundant number, since it is smaller than the sum of its proper divisors (2097063397968).

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

1121202212112 is a wasteful number, since it uses less digits than its factorization.

1121202212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595375508 (or 2595375496 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1121202212112 its reverse (2112122021211), we get a palindrome (3233324233323).

It can be divided in two parts, 112120 and 2212112, that added together give a palindrome (2324232).

The spelling of 1121202212112 in words is "one trillion, one hundred twenty-one billion, two hundred two million, two hundred twelve thousand, one hundred twelve".