1133210131220 has 24 divisors (see below), whose sum is σ = 2379770824704. Its totient is φ = 453278424096.

The previous prime is 1133210131201. The next prime is 1133210131223. The reversal of 1133210131220 is 221310123311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1133210131192 and 1133210131201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133210131223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549949 + ... + 2160731.

It is an arithmetic number, because the mean of its divisors is an integer number (99157117696).

Almost surely, 2^{1133210131220} is an apocalyptic number.

1133210131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133210131220 is an abundant number, since it is smaller than the sum of its proper divisors (1246560693484).

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

1133210131220 is a wasteful number, since it uses less digits than its factorization.

1133210131220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703559 (or 703557 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1133210131220 its reverse (221310123311), we get a palindrome (1354520254531).

The spelling of 1133210131220 in words is "one trillion, one hundred thirty-three billion, two hundred ten million, one hundred thirty-one thousand, two hundred twenty".