1121230201120 has 48 divisors (see below), whose sum is σ = 2675133184248. Its totient is φ = 444051558400.

The previous prime is 1121230201103. The next prime is 1121230201141. The reversal of 1121230201120 is 211020321211.

It can be written as a sum of positive squares in 4 ways, for example, as 1072691061264 + 48539139856 = 1035708^2 + 220316^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1121230201094 and 1121230201103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34675369 + ... + 34707688.

Almost surely, 2^{1121230201120} is an apocalyptic number.

1121230201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121230201120 is an abundant number, since it is smaller than the sum of its proper divisors (1553902983128).

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

1121230201120 is a wasteful number, since it uses less digits than its factorization.

1121230201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69383173 (or 69383165 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1121230201120 its reverse (211020321211), we get a palindrome (1332250522331).

The spelling of 1121230201120 in words is "one trillion, one hundred twenty-one billion, two hundred thirty million, two hundred one thousand, one hundred twenty".