1121120113220 has 12 divisors (see below), whose sum is σ = 2354352237804. Its totient is φ = 448448045280.

The previous prime is 1121120113213. The next prime is 1121120113259. The reversal of 1121120113220 is 223110211211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 147191926336 + 973928186884 = 383656^2 + 986878^2 .

It is a super-3 number, since 3×1121120113220³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28028002811 + ... + 28028002850.

It is an arithmetic number, because the mean of its divisors is an integer number (196196019817).

Almost surely, 2^{1121120113220} is an apocalyptic number.

1121120113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121120113220 is an abundant number, since it is smaller than the sum of its proper divisors (1233232124584).

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

1121120113220 is a wasteful number, since it uses less digits than its factorization.

1121120113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56056005670 (or 56056005668 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1121120113220 its reverse (223110211211), we get a palindrome (1344230324431).

The spelling of 1121120113220 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred thirteen thousand, two hundred twenty".