1220112201701 has 2 divisors, whose sum is σ = 1220112201702. Its totient is φ = 1220112201700.

The previous prime is 1220112201641. The next prime is 1220112201719. The reversal of 1220112201701 is 1071022110221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 918436639201 + 301675562500 = 958351^2 + 549250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220112201701 - 2¹⁰ = 1220112200677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220112207701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610056100850 + 610056100851.

It is an arithmetic number, because the mean of its divisors is an integer number (610056100851).

Almost surely, 2^{1220112201701} is an apocalyptic number.

It is an amenable number.

1220112201701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220112201701 is an equidigital number, since it uses as much as digits as its factorization.

1220112201701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 1220112201701 its reverse (1071022110221), we get a palindrome (2291134311922).

The spelling of 1220112201701 in words is "one trillion, two hundred twenty billion, one hundred twelve million, two hundred one thousand, seven hundred one".