2220100161001 has 2 divisors, whose sum is σ = 2220100161002. Its totient is φ = 2220100161000.

The previous prime is 2220100160879. The next prime is 2220100161017. The reversal of 2220100161001 is 1001610010222.

It is an a-pointer prime, because the next prime (2220100161017) can be obtained adding 2220100161001 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2066866275600 + 153233885401 = 1437660^2 + 391451^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220100161001 - 2⁹ = 2220100160489 is a prime.

It is a super-2 number, since 2×2220100161001² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2220100111001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110050080500 + 1110050080501.

It is an arithmetic number, because the mean of its divisors is an integer number (1110050080501).

Almost surely, 2^{2220100161001} is an apocalyptic number.

It is an amenable number.

2220100161001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220100161001 is an equidigital number, since it uses as much as digits as its factorization.

2220100161001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2220100161001 its reverse (1001610010222), we get a palindrome (3221710171223).

The spelling of 2220100161001 in words is "two trillion, two hundred twenty billion, one hundred million, one hundred sixty-one thousand, one".