1121200010220 has 48 divisors (see below), whose sum is σ = 3140303056128. Its totient is φ = 298896857280.

The previous prime is 1121200010219. The next prime is 1121200010239. The reversal of 1121200010220 is 220100021211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1121200010196 and 1121200010205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605104 + ... + 3004823.

It is an arithmetic number, because the mean of its divisors is an integer number (65422980336).

Almost surely, 2^{1121200010220} is an apocalyptic number.

1121200010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121200010220 is an abundant number, since it is smaller than the sum of its proper divisors (2019103045908).

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

1121200010220 is a wasteful number, since it uses less digits than its factorization.

1121200010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613270 (or 5613268 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1121200010220 its reverse (220100021211), we get a palindrome (1341300031431).

The spelling of 1121200010220 in words is "one trillion, one hundred twenty-one billion, two hundred million, ten thousand, two hundred twenty".