1120121220112 has 40 divisors (see below), whose sum is σ = 2300120802936. Its totient is φ = 526605459456.

The previous prime is 1120121220107. The next prime is 1120121220131. The reversal of 1120121220112 is 2110221210211.

It can be written as a sum of positive squares in 4 ways, for example, as 351335965696 + 768785254416 = 592736^2 + 876804^2 .

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

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, 1712293 + ... + 2274244.

Almost surely, 2^{1120121220112} is an apocalyptic number.

It is an amenable number.

1120121220112 is an abundant number, since it is smaller than the sum of its proper divisors (1179999582824).

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

1120121220112 is a wasteful number, since it uses less digits than its factorization.

1120121220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987595 (or 3987589 counting only the distinct ones).

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

Adding to 1120121220112 its reverse (2110221210211), we get a palindrome (3230342430323).

Subtracting 1120121220112 from its reverse (2110221210211), we obtain a palindrome (990099990099).

The spelling of 1120121220112 in words is "one trillion, one hundred twenty billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twelve".