2220110001001 has 2 divisors, whose sum is σ = 2220110001002. Its totient is φ = 2220110001000.

The previous prime is 2220110000989. The next prime is 2220110001019. The reversal of 2220110001001 is 1001000110222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1876080829401 + 344029171600 = 1369701^2 + 586540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220110001001 - 2⁹ = 2220110000489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220110001601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110055000500 + 1110055000501.

It is an arithmetic number, because the mean of its divisors is an integer number (1110055000501).

Almost surely, 2^{2220110001001} is an apocalyptic number.

It is an amenable number.

2220110001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220110001001 is an equidigital number, since it uses as much as digits as its factorization.

2220110001001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2220110001001 its reverse (1001000110222), we get a palindrome (3221110111223).

The spelling of 2220110001001 in words is "two trillion, two hundred twenty billion, one hundred ten million, one thousand, one".