2221002122011 has 2 divisors, whose sum is σ = 2221002122012. Its totient is φ = 2221002122010.

The previous prime is 2221002121997. The next prime is 2221002122029. The reversal of 2221002122011 is 1102212001222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221002122011 - 2³⁵ = 2186642383643 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221002122041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110501061005 + 1110501061006.

It is an arithmetic number, because the mean of its divisors is an integer number (1110501061006).

Almost surely, 2^{2221002122011} is an apocalyptic number.

2221002122011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221002122011 is an equidigital number, since it uses as much as digits as its factorization.

2221002122011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221002122011 its reverse (1102212001222), we get a palindrome (3323214123233).

The spelling of 2221002122011 in words is "two trillion, two hundred twenty-one billion, two million, one hundred twenty-two thousand, eleven".