1220220053743 has 2 divisors, whose sum is σ = 1220220053744. Its totient is φ = 1220220053742.

The previous prime is 1220220053719. The next prime is 1220220053761. The reversal of 1220220053743 is 3473500220221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220220053743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220220453743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610110026871 + 610110026872.

It is an arithmetic number, because the mean of its divisors is an integer number (610110026872).

Almost surely, 2^{1220220053743} is an apocalyptic number.

1220220053743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220220053743 is an equidigital number, since it uses as much as digits as its factorization.

1220220053743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 1220220053743 its reverse (3473500220221), we get a palindrome (4693720273964).

The spelling of 1220220053743 in words is "one trillion, two hundred twenty billion, two hundred twenty million, fifty-three thousand, seven hundred forty-three".