2011110222001 has 2 divisors, whose sum is σ = 2011110222002. Its totient is φ = 2011110222000.

The previous prime is 2011110221969. The next prime is 2011110222007. The reversal of 2011110222001 is 1002220111102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1797851905600 + 213258316401 = 1340840^2 + 461799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011110222001 - 2⁵ = 2011110221969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011110222007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005555111000 + 1005555111001.

It is an arithmetic number, because the mean of its divisors is an integer number (1005555111001).

Almost surely, 2^{2011110222001} is an apocalyptic number.

It is an amenable number.

2011110222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011110222001 is an equidigital number, since it uses as much as digits as its factorization.

2011110222001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2011110222001 its reverse (1002220111102), we get a palindrome (3013330333103).

The spelling of 2011110222001 in words is "two trillion, eleven billion, one hundred ten million, two hundred twenty-two thousand, one".