1220041031141 has 8 divisors (see below), whose sum is σ = 1245245344920. Its totient is φ = 1194917631232.

The previous prime is 1220041031087. The next prime is 1220041031179. The reversal of 1220041031141 is 1411301400221.

It can be written as a sum of positive squares in 4 ways, for example, as 4929444100 + 1215111587041 = 70210^2 + 1102321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220041031141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220041031441) 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, 20198000 + ... + 20258313.

It is an arithmetic number, because the mean of its divisors is an integer number (155655668115).

Almost surely, 2^{1220041031141} is an apocalyptic number.

It is an amenable number.

1220041031141 is a deficient number, since it is larger than the sum of its proper divisors (25204313779).

1220041031141 is an equidigital number, since it uses as much as digits as its factorization.

1220041031141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40456935.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1220041031141 its reverse (1411301400221), we get a palindrome (2631342431362).

The spelling of 1220041031141 in words is "one trillion, two hundred twenty billion, forty-one million, thirty-one thousand, one hundred forty-one".