2145222240011 has 2 divisors, whose sum is σ = 2145222240012. Its totient is φ = 2145222240010.

The previous prime is 2145222239999. The next prime is 2145222240103. The reversal of 2145222240011 is 1100422225412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145222240011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2145222240211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072611120005 + 1072611120006.

It is an arithmetic number, because the mean of its divisors is an integer number (1072611120006).

Almost surely, 2^{2145222240011} is an apocalyptic number.

2145222240011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145222240011 is an equidigital number, since it uses as much as digits as its factorization.

2145222240011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 2145222240011 its reverse (1100422225412), we get a palindrome (3245644465423).

The spelling of 2145222240011 in words is "two trillion, one hundred forty-five billion, two hundred twenty-two million, two hundred forty thousand, eleven".