1121241030220 has 24 divisors (see below), whose sum is σ = 2354628276000. Its totient is φ = 448492200192.

The previous prime is 1121241030211. The next prime is 1121241030233. The reversal of 1121241030220 is 220301421211.

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, 2774836 + ... + 3153124.

It is an arithmetic number, because the mean of its divisors is an integer number (98109511500).

Almost surely, 2^{1121241030220} is an apocalyptic number.

1121241030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121241030220 is an abundant number, since it is smaller than the sum of its proper divisors (1233387245780).

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

1121241030220 is a wasteful number, since it uses less digits than its factorization.

1121241030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526497 (or 526495 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1121241030220 its reverse (220301421211), we get a palindrome (1341542451431).

The spelling of 1121241030220 in words is "one trillion, one hundred twenty-one billion, two hundred forty-one million, thirty thousand, two hundred twenty".