2211120001 has 2 divisors, whose sum is σ = 2211120002. Its totient is φ = 2211120000.

The previous prime is 2211119987. The next prime is 2211120077. The reversal of 2211120001 is 1000211122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2169323776 + 41796225 = 46576^2 + 6465^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211120001 - 2¹⁵ = 2211087233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2211120001.

It is not a weakly prime, because it can be changed into another prime (2211120101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105560000 + 1105560001.

It is an arithmetic number, because the mean of its divisors is an integer number (1105560001).

Almost surely, 2^2211120001 is an apocalyptic number.

It is an amenable number.

2211120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211120001 is an equidigital number, since it uses as much as digits as its factorization.

2211120001 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.

The square root of 2211120001 is about 47022.5477935852. The cubic root of 2211120001 is about 1302.7790649014.

Adding to 2211120001 its reverse (1000211122), we get a palindrome (3211331123).

The spelling of 2211120001 in words is "two billion, two hundred eleven million, one hundred twenty thousand, one".