1120221122112 has 42 divisors (see below), whose sum is σ = 3210911586038. Its totient is φ = 373407040512.

The previous prime is 1120221122101. The next prime is 1120221122143. The reversal of 1120221122112 is 2112211220211.

It can be written as a sum of positive squares in only one way, i.e., 717585186816 + 402635935296 = 847104^2 + 634536^2 .

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 5 ways as a sum of consecutive naturals, for example, 972413593 + ... + 972414744.

Almost surely, 2^{1120221122112} is an apocalyptic number.

1120221122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120221122112 is an abundant number, since it is smaller than the sum of its proper divisors (2090690463926).

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

1120221122112 is a wasteful number, since it uses less digits than its factorization.

1120221122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944828355 (or 1944828342 counting only the distinct ones).

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

Adding to 1120221122112 its reverse (2112211220211), we get a palindrome (3232432342323).

The spelling of 1120221122112 in words is "one trillion, one hundred twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twelve".