1220141431141 has 4 divisors (see below), whose sum is σ = 1249900978284. Its totient is φ = 1190381884000.

The previous prime is 1220141431139. The next prime is 1220141431151. The reversal of 1220141431141 is 1411341410221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187102962916 + 1033038468225 = 432554^2 + 1016385^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220141431141 - 2¹ = 1220141431139 is a prime.

It is a super-2 number, since 2×1220141431141² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220141431151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14879773510 + ... + 14879773591.

It is an arithmetic number, because the mean of its divisors is an integer number (312475244571).

Almost surely, 2^{1220141431141} is an apocalyptic number.

It is an amenable number.

1220141431141 is a deficient number, since it is larger than the sum of its proper divisors (29759547143).

1220141431141 is an equidigital number, since it uses as much as digits as its factorization.

1220141431141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29759547142.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 1220141431141 its reverse (1411341410221), we get a palindrome (2631482841362).

The spelling of 1220141431141 in words is "one trillion, two hundred twenty billion, one hundred forty-one million, four hundred thirty-one thousand, one hundred forty-one".